Merge pull request 'lazarev_andrey_lab_6' (#149) from lazarev_andrey_lab_6 into main

Reviewed-on: #149

afanasev_dmitry_lab_1/README.md

@@ -0,0 +1,44 @@
+# Лабораторная работа 1
+
+## Описание
+Данная лабораторная работа предназначена для настройки 3 сервисов — **Gitea**, **Redmine** и БД **MySQL** — с использованием Docker Compose. **Gitea** — это лёгкая система контроля версий с веб-интерфейсом, а **Redmine** — система управления проектами и задачами, а также баг-трекер. **MySQL** — база данных, используемая Redmine для хранения данных.
+
+## Запуск проекта
+1. Убедитесь, что у вас установлены **Docker** и **Docker Compose**. 
+2. Клонируйте репозиторий с данным проектом или создайте файл `docker-compose.yml` с конфигурацией, представленной там.
+3. В командной строке перейдите в директорию с файлом `docker-compose.yml`.
+4. Запустите команды:
+   ```bash
+   docker-compose up -d
+   ```
+   Эта команда запустит контейнеры в фоновом режиме.
+5. После запуска:
+   - Gitea будет доступен по адресу: [http://localhost:3000](http://localhost:3000)
+   - Redmine будет доступен по адресу: [http://localhost:8080](http://localhost:8080)
+
+## Конфигурация
+В файле `docker-compose.yml` определены следующие сервисы:
+- **Gitea**:
+  - Запускается из официального образа `gitea/gitea:latest`.
+  - Использует `SQLite` для хранения данных.
+  - Настроен на порту 3000 для веб-доступа и 2222 для SSH.
+- **Redmine**:
+  - Запускается из официального образа `redmine`.
+  - Подключен к базе данных MySQL.
+  - Доступен на порту 8080.
+- **MySQL**:
+  - Запускается из образа `mysql:8.0`.
+  - Используется Redmine для хранения данных.
+  - Настроен с дефолтными пользователем, базой и паролем.
+
+## Остановка проекта
+Для остановки контейнеров запустите:
+```bash
+docker-compose down
+```
+Это завершит работу всех контейнеров и освободит порты.
+
+## Примечания
+- При необходимости вы можете изменить порты или другие параметры, отредактировав файл `docker-compose.yml`.
+- Данные хранятся в именованных томах `gitea_data` и `db_data`, что позволяет сохранять данные при перезапуске контейнеров.
+- Ссылка на демонстрацию работы программы: https://vk.com/video215756667_456239451?list=ln-AMZSRDejYptijuOt9u

afanasev_dmitry_lab_1/docker-compose.yml

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+version: '3.9' # Версия Docker Compose
+
+services:
+  # Gitea сервис
+  gitea:
+    image: gitea/gitea:latest # Образ Gitea для запуска сервиса
+    container_name: gitea # Имя контейнера для удобства 
+    environment: # Переменные среды
+      USER_UID: 1000 # UID пользователя внутри контейнера
+      USER_GID: 1000 # GID пользователя внутри контейнера
+      GITEA__database__DB_TYPE: sqlite3 # Тип бд (SQLite для простоты)
+      GITEA__database__PATH: /data/gitea/gitea.db # Путь к базе данных 
+      GITEA__server__ROOT_URL: http://localhost:3000 # URL для доступа 
+      GITEA__server__HTTP_PORT: 3000 # Порт для веб-интерфейса 
+    volumes:
+      - gitea_data:/data # Монтирование директории данных для сохранения данных
+    ports:
+      - "3000:3000" # Порт для доступа к веб-интерфейсу Gitea
+      - "2222:22" # SSH порт для клонирования репозиториев
+    restart: always # Автоматический перезапуск контейнера в случае сбоя
+
+  # Redmine сервис
+  redmine:
+    image: redmine # Образ Redmine для запуска сервиса
+    restart: always # Автоматический перезапуск контейнера
+    ports:
+      - 8080:3000 # Порт для доступа к веб-интерфейсу 
+    environment: # Переменные среды
+      REDMINE_DB_MYSQL: db # Имя хоста бд для подключения 
+      REDMINE_DB_PASSWORD: example # Пароль для подключения к базе данных 
+
+  # MySQL база данных для Redmine
+  db:
+    image: mysql:8.0 # Образ MySQL для бд
+    restart: always # Автоматический перезапуск контейнера
+    environment: # Переменные среды
+      MYSQL_ROOT_PASSWORD: example # Пароль пользователя root для MySQL
+      MYSQL_DATABASE: redmine # Имя бд для Redmine 
+      MYSQL_USER: user # Пользователь MySQL
+      MYSQL_PASSWORD: password # Пароль для пользователя MySQL
+    volumes:
+      - db_data:/var/lib/mysql # Монтирование для сохранения данных бд
+
+volumes: # Именованные тома
+  gitea_data: # Том для данных Gitea
+  db_data: # Том для данных MySQL

afanasev_dmitry_lab_2/.gitignore

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+data/
+
+##############################
+## Java
+##############################
+.mtj.tmp/
+*.class
+*.jar
+*.war
+*.ear
+*.nar
+hs_err_pid*
+replay_pid*
+
+##############################
+## Maven
+##############################
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+pom.xml.bak
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+##############################
+## Gradle
+##############################
+bin/
+build/
+.gradle
+.gradletasknamecache
+gradle-app.setting
+!gradle-wrapper.jar
+
+##############################
+## IntelliJ
+##############################
+out/
+.idea/
+.idea_modules/
+*.iml
+*.ipr
+*.iws
+
+##############################
+## Eclipse
+##############################
+.settings/
+bin/
+tmp/
+.metadata
+.classpath
+.project
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.loadpath
+.factorypath
+
+##############################
+## NetBeans
+##############################
+nbproject/private/
+build/
+nbbuild/
+dist/
+nbdist/
+nbactions.xml
+nb-configuration.xml
+
+##############################
+## Visual Studio Code
+##############################
+.vscode/
+.code-workspace
+
+##############################
+## OS X
+##############################
+.DS_Store
+
+##############################
+## Miscellaneous
+##############################
+*.log

afanasev_dmitry_lab_2/README.md

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+# Лабораторная работа 2
+
+## Описание
+Данная лабораторная работа предназначена для настройки 2 сервисов (простейшего распределенного приложения) с использованием Docker Compose. **FirstService** — ищет в каталоге /var/data файл с наибольшим количеством строк и перекладывает его в /var/result/data.txt. **SecondService** — ищет наименьшее число из файла /var/result/data.txt (сгенерирован 1-ым сервисом) и сохраняет его третью степень в /var/result/result.txt. 
+
+## Запуск проекта
+1. Убедитесь, что у вас установлены **Docker** и **Docker Compose**.
+2. Клонируйте репозиторий с данным проектом.
+3. В командной строке перейдите в директорию с файлом `docker-compose.yml`.
+4. Запустите команды:
+   ```bash
+   docker-compose up -d
+   ```
+   Эта команда запустит контейнеры в фоновом режиме.
+5. После запуска:
+    - Посмотреть логи первого сервиса о том, что файл создался успешно.
+    - Посмотреть логи второго сервиса о том, что он обработал созданный первым сервисом файл.
+
+## Конфигурация
+В файле `docker-compose.yml` определены следующие сервисы:
+- **FirstService**:
+    - Создает образ из директории `firstService`.
+    - Использует локальную директорию `/var/data` и общую `/var/result` для хранения данных.
+- **SecondService**:
+    - Создает образ из директории `secondService`.
+    - Использует общую `/var/result` директорию для хранения данных.
+    - Запускается после первого сервиса.
+
+## Остановка проекта
+Для остановки контейнеров запустите:
+```bash
+docker-compose down
+```
+Это завершит работу всех контейнеров.
+
+## Примечания
+- При необходимости можно изменить директорию с данными или другие параметры, отредактировав файл `docker-compose.yml`.
+- Ссылка на демонстрацию работы программы: https://vk.com/video215756667_456239452?list=ln-rAyQWJj8q7ezqCaZzL

afanasev_dmitry_lab_2/docker-compose.yml

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+version: '3.9'
+
+services:
+  first-service:
+    build: ./firstService # Путь к докер-файлу 1 приложения
+    volumes:
+      - D:/java/DAS_2024_1/afanasev_dmitry_lab_2/data:/var/data # Монтируем директорию с данными
+      - common-volume:/var/result # Монтируем общую директорию (нужна 2-му сервису для работы)
+  second-service:
+    build: ./secondService # Путь к докер-файлу 2 приложения
+    volumes:
+      - common-volume:/var/result # Монтируем общую директорию (нужна 2-му сервису для работы)
+    depends_on:
+      - first-service # Запуск после первого сервиса
+
+volumes: # Именованные тома
+  common-volume: # Общий для 2-ух сервисов

afanasev_dmitry_lab_2/firstService/Dockerfile

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+# Используем образ с Java 17
+FROM bellsoft/liberica-openjdk-alpine:17.0.8
+
+# Создаем директорию для исходных файлов
+RUN mkdir /var/data
+
+# Создаем директорию для приложения
+WORKDIR /app
+
+# Копируем файлы приложения в контейнер
+COPY src /app/src
+
+# Компилируем приложение
+RUN javac /app/src/FirstService.java
+
+# Определяем команду для запуска приложения
+CMD ["java", "-cp", "/app/src", "FirstService"]

afanasev_dmitry_lab_2/firstService/src/FirstService.java

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+import java.io.*;
+import java.nio.file.*;
+
+public class FirstService {
+    // 1. Ищет в каталоге /var/data файл с наибольшим количеством строк и перекладывает его в /var/result/data.txt.
+
+    public static void main(String[] args) {
+        Path sourceDir = Paths.get("/var/data");
+        Path destinationDir = Paths.get("/var/result");
+        Path destinationFile = destinationDir.resolve("data.txt");
+        Path largestFile = null;
+        long maxLineCount = 0;
+
+        try {
+            // существует ли каталог /var/result, если нет, создаем
+            if (!Files.exists(destinationDir)) {
+                Files.createDirectories(destinationDir);
+            } else {
+                // иначе чистим
+                try (DirectoryStream<Path> stream = Files.newDirectoryStream(destinationDir)) {
+                    for (Path file : stream) {
+                        Files.delete(file);
+                    }
+                }
+            }
+
+            // поиск файла с наибольшим количеством строк в каталоге /var/data
+            try (DirectoryStream<Path> stream = Files.newDirectoryStream(sourceDir)) {
+                for (Path file : stream) {
+                    if (Files.isRegularFile(file)) {
+                        long lineCount = Files.lines(file).count();
+                        if (lineCount > maxLineCount) {
+                            maxLineCount = lineCount;
+                            largestFile = file;
+                        }
+                    }
+                }
+            }
+
+            // копируем файл с наибольшим количеством строк в /var/result/data.txt
+            if (largestFile != null) {
+                Files.copy(largestFile, destinationFile, StandardCopyOption.REPLACE_EXISTING);
+                System.out.println("Файл " + largestFile + " скопирован в " + destinationFile);
+            } else {
+                System.out.println("В каталоге " + sourceDir + " нет файлов.");
+            }
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

afanasev_dmitry_lab_2/secondService/Dockerfile

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+# Используем образ с Java 17
+FROM bellsoft/liberica-openjdk-alpine:17.0.8
+
+# Создаем директорию для исходных файлов
+RUN mkdir /var/data
+
+# Создаем директорию для приложения
+WORKDIR /app
+
+# Копируем файлы приложения в контейнер
+COPY src /app/src
+
+# Компилируем приложение
+RUN javac /app/src/SecondService.java
+
+# Определяем команду для запуска приложения
+CMD ["java", "-cp", "/app/src", "SecondService"]

afanasev_dmitry_lab_2/secondService/src/SecondService.java

@@ -0,0 +1,51 @@
+import java.io.*;
+import java.nio.file.*;
+import java.util.*;
+
+public class SecondService {
+    // 2. Ищет наименьшее число из файла /var/result/data.txt и сохраняет его третью степень в /var/result/result.txt.
+
+    public static void main(String[] args) {
+        Path sourceFile = Paths.get("/var/result/data.txt");
+        Path destinationDir = Paths.get("/var/result");
+        Path destinationFile = destinationDir.resolve("result.txt");
+
+        try {
+            // создание /var/result, если не существует
+            if (!Files.exists(destinationDir)) {
+                Files.createDirectories(destinationDir);
+            }
+
+            // читаем числа из файла и находим наименьшее
+            List<Integer> numbers = new ArrayList<>();
+            try (BufferedReader reader = Files.newBufferedReader(sourceFile)) {
+                String line;
+                while ((line = reader.readLine()) != null) {
+                    try {
+                        numbers.add(Integer.parseInt(line.trim()));
+                    } catch (NumberFormatException e) {
+                        System.out.println("Некорректная строка: " + line);
+                    }
+                }
+            }
+
+            if (!numbers.isEmpty()) {
+                // находим наименьшее число и его третью степень
+                int minNumber = Collections.min(numbers);
+                int minNumberCubed = (int) Math.pow(minNumber, 3);
+
+                // записываем результат в /var/result/result.txt
+                try (BufferedWriter writer = Files.newBufferedWriter(destinationFile)) {
+                    writer.write(String.valueOf(minNumberCubed));
+                    System.out.println("Третья степень наименьшего числа - " + minNumber + " (" + minNumberCubed +
+                            ") сохранена в " + destinationFile);
+                }
+            } else {
+                System.out.println("Файл " + sourceFile + " пуст или не содержит чисел.");
+            }
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

afanasev_dmitry_lab_3/README.md

@@ -0,0 +1,41 @@
+# Лабораторная работа 3
+
+## Описание
+Данная лабораторная работа предназначена для настройки 3 сервисов — **Melon**, **Water** и прокси-сервер **Nginx** — с использованием Docker Compose. **Melon** — сервис с дынями, где для каждого свой арбуз, а **Water** — сервис с водой и связанных с ними арбузами. **Nginx** — прокси-сервер, работающий на Unix-подобных операционных системах.
+
+## Запуск проекта
+1. Убедитесь, что у вас установлены **Docker** и **Docker Compose**.
+2. Клонируйте репозиторий с данным проектом.
+3. В командной строке перейдите в директорию с файлом `docker-compose.yml`.
+4. Запустите команды:
+   ```bash
+   docker-compose up -d
+   ```
+   Эта команда запустит контейнеры в фоновом режиме.
+5. После запуска:
+    - Melon будет доступен по адресу: [http://localhost:8080](http://localhost:8080)
+    - Water будет доступен по адресу: [http://localhost:8081](http://localhost:8081)
+
+## Конфигурация
+В файле `docker-compose.yml` определены следующие сервисы:
+- **Melon**:
+    - Настроен на порту 8080 для веб-доступа.
+    - Обращается к **Nginx** для доступа к сервису **Water**.
+    - Реализует базовые CRUD-операции.
+- **Water**:
+    - Настроен на порту 8081 для веб-доступа.
+    - Реализует базовые CRUD-операции.
+- **Nginx**:
+    - Запускается из образа `nginx`.
+    - Используется для проксирования запросов.
+
+## Остановка проекта
+Для остановки контейнеров запустите:
+```bash
+docker-compose down
+```
+Это завершит работу всех контейнеров и освободит порты.
+
+## Примечания
+- При необходимости вы можете изменить порты или другие параметры, отредактировав файл `docker-compose.yml`.
+- Ссылка на демонстрацию работы программы: https://vk.com/video215756667_456239453?list=ln-6zVfNOSwMQtpVWKkGe

afanasev_dmitry_lab_3/docker-compose.yml

@@ -0,0 +1,25 @@
+version: '3.9'
+services:
+  melon:
+    build: ./melon
+    ports:
+      - "8080:8080"
+    expose: # Указывает, какой порт будет открыт внутри контейнера
+      - 8080
+
+  water:
+    build: ./water
+    ports:
+      - "8081:8081"
+    expose: # Указывает, какой порт будет открыт внутри контейнера
+      - 8081
+
+  nginx:
+    image: nginx
+    ports:
+      - "80:80"
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf
+    depends_on:
+      - melon
+      - water

afanasev_dmitry_lab_3/melon/.gitattributes

@@ -0,0 +1,2 @@
+/mvnw text eol=lf
+*.cmd text eol=crlf

afanasev_dmitry_lab_3/melon/.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

afanasev_dmitry_lab_3/melon/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+wrapperVersion=3.3.2
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

afanasev_dmitry_lab_3/melon/Dockerfile

@@ -0,0 +1,4 @@
+FROM bellsoft/liberica-openjdk-alpine:17.0.8
+ADD target/melon-0.0.1-SNAPSHOT.jar /app/
+CMD ["java", "-Xmx200m", "-jar", "/app/melon-0.0.1-SNAPSHOT.jar"]
+WORKDIR /app

afanasev_dmitry_lab_3/melon/mvnw

@@ -0,0 +1,259 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Apache Maven Wrapper startup batch script, version 3.3.2
+#
+# Optional ENV vars
+# -----------------
+#   JAVA_HOME - location of a JDK home dir, required when download maven via java source
+#   MVNW_REPOURL - repo url base for downloading maven distribution
+#   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+#   MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
+# ----------------------------------------------------------------------------
+
+set -euf
+[ "${MVNW_VERBOSE-}" != debug ] || set -x
+
+# OS specific support.
+native_path() { printf %s\\n "$1"; }
+case "$(uname)" in
+CYGWIN* | MINGW*)
+  [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
+  native_path() { cygpath --path --windows "$1"; }
+  ;;
+esac
+
+# set JAVACMD and JAVACCMD
+set_java_home() {
+  # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
+  if [ -n "${JAVA_HOME-}" ]; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ]; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+      JAVACCMD="$JAVA_HOME/jre/sh/javac"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+      JAVACCMD="$JAVA_HOME/bin/javac"
+
+      if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
+        echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
+        echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
+        return 1
+      fi
+    fi
+  else
+    JAVACMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v java
+    )" || :
+    JAVACCMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v javac
+    )" || :
+
+    if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
+      echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
+      return 1
+    fi
+  fi
+}
+
+# hash string like Java String::hashCode
+hash_string() {
+  str="${1:-}" h=0
+  while [ -n "$str" ]; do
+    char="${str%"${str#?}"}"
+    h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
+    str="${str#?}"
+  done
+  printf %x\\n $h
+}
+
+verbose() { :; }
+[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }
+
+die() {
+  printf %s\\n "$1" >&2
+  exit 1
+}
+
+trim() {
+  # MWRAPPER-139:
+  #   Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
+  #   Needed for removing poorly interpreted newline sequences when running in more
+  #   exotic environments such as mingw bash on Windows.
+  printf "%s" "${1}" | tr -d '[:space:]'
+}
+
+# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
+while IFS="=" read -r key value; do
+  case "${key-}" in
+  distributionUrl) distributionUrl=$(trim "${value-}") ;;
+  distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
+  esac
+done <"${0%/*}/.mvn/wrapper/maven-wrapper.properties"
+[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in ${0%/*}/.mvn/wrapper/maven-wrapper.properties"
+
+case "${distributionUrl##*/}" in
+maven-mvnd-*bin.*)
+  MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
+  case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
+  *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
+  :Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
+  :Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
+  :Linux*x86_64*) distributionPlatform=linux-amd64 ;;
+  *)
+    echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
+    distributionPlatform=linux-amd64
+    ;;
+  esac
+  distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
+  ;;
+maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
+*) MVN_CMD="mvn${0##*/mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
+esac
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
+distributionUrlName="${distributionUrl##*/}"
+distributionUrlNameMain="${distributionUrlName%.*}"
+distributionUrlNameMain="${distributionUrlNameMain%-bin}"
+MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
+MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
+
+exec_maven() {
+  unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
+  exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
+}
+
+if [ -d "$MAVEN_HOME" ]; then
+  verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  exec_maven "$@"
+fi
+
+case "${distributionUrl-}" in
+*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
+*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
+esac
+
+# prepare tmp dir
+if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
+  clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
+  trap clean HUP INT TERM EXIT
+else
+  die "cannot create temp dir"
+fi
+
+mkdir -p -- "${MAVEN_HOME%/*}"
+
+# Download and Install Apache Maven
+verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+verbose "Downloading from: $distributionUrl"
+verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+# select .zip or .tar.gz
+if ! command -v unzip >/dev/null; then
+  distributionUrl="${distributionUrl%.zip}.tar.gz"
+  distributionUrlName="${distributionUrl##*/}"
+fi
+
+# verbose opt
+__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
+[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
+
+# normalize http auth
+case "${MVNW_PASSWORD:+has-password}" in
+'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+esac
+
+if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
+  verbose "Found wget ... using wget"
+  wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
+elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
+  verbose "Found curl ... using curl"
+  curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
+elif set_java_home; then
+  verbose "Falling back to use Java to download"
+  javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
+  targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
+  cat >"$javaSource" <<-END
+	public class Downloader extends java.net.Authenticator
+	{
+	  protected java.net.PasswordAuthentication getPasswordAuthentication()
+	  {
+	    return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
+	  }
+	  public static void main( String[] args ) throws Exception
+	  {
+	    setDefault( new Downloader() );
+	    java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
+	  }
+	}
+	END
+  # For Cygwin/MinGW, switch paths to Windows format before running javac and java
+  verbose " - Compiling Downloader.java ..."
+  "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
+  verbose " - Running Downloader.java ..."
+  "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
+fi
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+if [ -n "${distributionSha256Sum-}" ]; then
+  distributionSha256Result=false
+  if [ "$MVN_CMD" = mvnd.sh ]; then
+    echo "Checksum validation is not supported for maven-mvnd." >&2
+    echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  elif command -v sha256sum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  elif command -v shasum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  else
+    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
+    echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  fi
+  if [ $distributionSha256Result = false ]; then
+    echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
+    echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
+    exit 1
+  fi
+fi
+
+# unzip and move
+if command -v unzip >/dev/null; then
+  unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
+else
+  tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
+fi
+printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/mvnw.url"
+mv -- "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
+
+clean || :
+exec_maven "$@"

afanasev_dmitry_lab_3/melon/mvnw.cmd

@@ -0,0 +1,149 @@
+<# : batch portion
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Apache Maven Wrapper startup batch script, version 3.3.2
+@REM
+@REM Optional ENV vars
+@REM   MVNW_REPOURL - repo url base for downloading maven distribution
+@REM   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+@REM   MVNW_VERBOSE - true: enable verbose log; others: silence the output
+@REM ----------------------------------------------------------------------------
+
+@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)
+@SET __MVNW_CMD__=
+@SET __MVNW_ERROR__=
+@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%
+@SET PSModulePath=
+@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @(
+  IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B)
+)
+@SET PSModulePath=%__MVNW_PSMODULEP_SAVE%
+@SET __MVNW_PSMODULEP_SAVE=
+@SET __MVNW_ARG0_NAME__=
+@SET MVNW_USERNAME=
+@SET MVNW_PASSWORD=
+@IF NOT "%__MVNW_CMD__%"=="" (%__MVNW_CMD__% %*)
+@echo Cannot start maven from wrapper >&2 && exit /b 1
+@GOTO :EOF
+: end batch / begin powershell #>
+
+$ErrorActionPreference = "Stop"
+if ($env:MVNW_VERBOSE -eq "true") {
+  $VerbosePreference = "Continue"
+}
+
+# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties
+$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl
+if (!$distributionUrl) {
+  Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
+}
+
+switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) {
+  "maven-mvnd-*" {
+    $USE_MVND = $true
+    $distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip"
+    $MVN_CMD = "mvnd.cmd"
+    break
+  }
+  default {
+    $USE_MVND = $false
+    $MVN_CMD = $script -replace '^mvnw','mvn'
+    break
+  }
+}
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+if ($env:MVNW_REPOURL) {
+  $MVNW_REPO_PATTERN = if ($USE_MVND) { "/org/apache/maven/" } else { "/maven/mvnd/" }
+  $distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace '^.*'+$MVNW_REPO_PATTERN,'')"
+}
+$distributionUrlName = $distributionUrl -replace '^.*/',''
+$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$',''
+$MAVEN_HOME_PARENT = "$HOME/.m2/wrapper/dists/$distributionUrlNameMain"
+if ($env:MAVEN_USER_HOME) {
+  $MAVEN_HOME_PARENT = "$env:MAVEN_USER_HOME/wrapper/dists/$distributionUrlNameMain"
+}
+$MAVEN_HOME_NAME = ([System.Security.Cryptography.MD5]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join ''
+$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME"
+
+if (Test-Path -Path "$MAVEN_HOME" -PathType Container) {
+  Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
+  exit $?
+}
+
+if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) {
+  Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl"
+}
+
+# prepare tmp dir
+$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile
+$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir"
+$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null
+trap {
+  if ($TMP_DOWNLOAD_DIR.Exists) {
+    try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
+    catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
+  }
+}
+
+New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null
+
+# Download and Install Apache Maven
+Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+Write-Verbose "Downloading from: $distributionUrl"
+Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+$webclient = New-Object System.Net.WebClient
+if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) {
+  $webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD)
+}
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum
+if ($distributionSha256Sum) {
+  if ($USE_MVND) {
+    Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties."
+  }
+  Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash
+  if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) {
+    Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property."
+  }
+}
+
+# unzip and move
+Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null
+Rename-Item -Path "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" -NewName $MAVEN_HOME_NAME | Out-Null
+try {
+  Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null
+} catch {
+  if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) {
+    Write-Error "fail to move MAVEN_HOME"
+  }
+} finally {
+  try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
+  catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
+}
+
+Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"

afanasev_dmitry_lab_3/melon/pom.xml

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>3.3.5</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>ru.ulstu</groupId>
+	<artifactId>melon</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>melon</name>
+	<description>Demo project for Spring Boot</description>
+	<url/>
+	<licenses>
+		<license/>
+	</licenses>
+	<developers>
+		<developer/>
+	</developers>
+	<scm>
+		<connection/>
+		<developerConnection/>
+		<tag/>
+		<url/>
+	</scm>
+	<properties>
+		<java.version>17</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.springdoc</groupId>
+			<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+			<version>2.5.0</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+				<configuration>
+					<excludes>
+						<exclude>
+							<groupId>org.projectlombok</groupId>
+							<artifactId>lombok</artifactId>
+						</exclude>
+					</excludes>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

afanasev_dmitry_lab_3/melon/src/main/java/ru/ulstu/melon/MelonApplication.java

@@ -0,0 +1,13 @@
+package ru.ulstu.melon;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class MelonApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(MelonApplication.class, args);
+	}
+
+}

afanasev_dmitry_lab_3/melon/src/main/java/ru/ulstu/melon/config/RestTemplateConfig.java

@@ -0,0 +1,13 @@
+package ru.ulstu.melon.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class RestTemplateConfig {
+    @Bean
+    public RestTemplate restTemplate() {
+        return new RestTemplate();
+    }
+}

afanasev_dmitry_lab_3/melon/src/main/java/ru/ulstu/melon/controller/MelonController.java

@@ -0,0 +1,54 @@
+package ru.ulstu.melon.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import ru.ulstu.melon.dto.CreateMelonDto;
+import ru.ulstu.melon.dto.MelonDto;
+import ru.ulstu.melon.dto.UpdateMelonDto;
+import ru.ulstu.melon.model.Melon;
+import ru.ulstu.melon.service.MelonService;
+
+import java.util.Collection;
+import java.util.UUID;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/melon")
+public class MelonController {
+    private final MelonService melonService;
+
+    @GetMapping
+    public ResponseEntity<Collection<Melon>> get() {
+        return new ResponseEntity<>(melonService.get(), HttpStatus.OK);
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<MelonDto> get(@PathVariable UUID id) {
+        return new ResponseEntity<>(melonService.get(id), HttpStatus.OK);
+    }
+
+    @PostMapping
+    public ResponseEntity<MelonDto> add(@RequestBody CreateMelonDto dto) {
+        return new ResponseEntity<>(melonService.add(dto), HttpStatus.OK);
+    }
+
+    @PutMapping("/{id}")
+    public ResponseEntity<MelonDto> update(@PathVariable UUID id, @RequestBody UpdateMelonDto dto) {
+        return new ResponseEntity<>(melonService.update(id, dto), HttpStatus.OK);
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> delete(@PathVariable UUID id) {
+        melonService.delete(id);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+}

afanasev_dmitry_lab_3/melon/src/main/java/ru/ulstu/melon/dto/CreateMelonDto.java

@@ -0,0 +1,14 @@
+package ru.ulstu.melon.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.util.UUID;
+
+@AllArgsConstructor
+@Getter
+public class CreateMelonDto {
+    private Boolean isRipe;
+    private Double weight;
+    private UUID waterMelonId;
+}

afanasev_dmitry_lab_3/melon/src/main/java/ru/ulstu/melon/dto/MelonDto.java

@@ -0,0 +1,28 @@
+package ru.ulstu.melon.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+import ru.ulstu.melon.model.Melon;
+import ru.ulstu.melon.model.Water;
+
+import java.util.UUID;
+
+@AllArgsConstructor
+@Getter
+@Setter
+public class MelonDto {
+    private UUID id;
+    private Boolean isRipe;
+    private Double weight;
+    private UUID waterMelonId;
+    private WaterDto waterMelon;
+
+    public MelonDto(Melon melon, Water water) {
+        this.id = melon.getId();
+        this.isRipe = melon.getIsRipe();
+        this.weight = melon.getWeight();
+        this.waterMelonId = melon.getWaterMelonId();
+        this.waterMelon = new WaterDto(water);
+    }
+}

afanasev_dmitry_lab_3/melon/src/main/java/ru/ulstu/melon/dto/UpdateMelonDto.java

@@ -0,0 +1,11 @@
+package ru.ulstu.melon.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+@Getter
+public class UpdateMelonDto {
+    private Boolean isRipe;
+    private Double weight;
+}

afanasev_dmitry_lab_3/melon/src/main/java/ru/ulstu/melon/dto/WaterDto.java

@@ -0,0 +1,23 @@
+package ru.ulstu.melon.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+import ru.ulstu.melon.model.Water;
+
+import java.util.UUID;
+
+@Getter
+@Setter
+@AllArgsConstructor
+public class WaterDto {
+    private UUID id;
+    private Boolean isSweetBottom;
+    private Double volume;
+
+    public WaterDto(Water water) {
+        this.id = water.getId();
+        this.isSweetBottom = water.getIsSweetBottom();
+        this.volume = water.getVolume();
+    }
+}

afanasev_dmitry_lab_3/melon/src/main/java/ru/ulstu/melon/model/Melon.java

@@ -0,0 +1,19 @@
+package ru.ulstu.melon.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.util.UUID;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+public class Melon {
+    private UUID id;
+    private Boolean isRipe;
+    private Double weight;
+    private UUID waterMelonId;
+}

afanasev_dmitry_lab_3/melon/src/main/java/ru/ulstu/melon/model/Water.java

@@ -0,0 +1,18 @@
+package ru.ulstu.melon.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+import java.util.UUID;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+public class Water {
+    private UUID id;
+    private Boolean isSweetBottom;
+    private Double volume;
+    private List<Melon> waterMelons;
+}

afanasev_dmitry_lab_3/melon/src/main/java/ru/ulstu/melon/service/MelonService.java

@@ -0,0 +1,88 @@
+package ru.ulstu.melon.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestClientException;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.server.ResponseStatusException;
+import ru.ulstu.melon.dto.CreateMelonDto;
+import ru.ulstu.melon.dto.MelonDto;
+import ru.ulstu.melon.dto.UpdateMelonDto;
+import ru.ulstu.melon.model.Melon;
+import ru.ulstu.melon.model.Water;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+@Service
+@RequiredArgsConstructor
+public class MelonService {
+    private final Map<UUID, Melon> melons = new HashMap<>();
+    private final RestTemplate restTemplate;
+    private static final String WATER_SERVICE_PATH = "http://nginx/water/water/";
+
+    public Collection<Melon> get() {
+        return melons.values();
+    }
+
+    public MelonDto get(UUID id) {
+        if (!melons.containsKey(id)) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Melon not found");
+        }
+        final Melon melon = melons.get(id);
+        return new MelonDto(melon, getWater(melon.getWaterMelonId()));
+    }
+
+    public MelonDto add(CreateMelonDto dto) {
+        Melon melon = new Melon(UUID.randomUUID(),
+                dto.getIsRipe(),
+                dto.getWeight(),
+                dto.getWaterMelonId());
+        melons.put(melon.getId(), melon);
+        Water water;
+        try {
+            String baseUrl = WATER_SERVICE_PATH + melon.getWaterMelonId() + "/addMelon";
+            water = restTemplate.postForObject(
+                    baseUrl,
+                    melon,
+                    Water.class
+            );
+        } catch (RestClientException e) {
+            throw new RuntimeException("Failed to add melon to waterMelons: " + e.getMessage(), e);
+        }
+        return new MelonDto(melon, water);
+    }
+
+    public MelonDto update(UUID id, UpdateMelonDto dto) {
+        if (!melons.containsKey(id)) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Melon not found");
+        }
+        Melon melon = melons.get(id);
+        if (dto.getWeight() != null)
+            melon.setWeight(dto.getWeight());
+        if (dto.getIsRipe() != null)
+            melon.setIsRipe(dto.getIsRipe());
+        return new MelonDto(melon, getWater(melon.getWaterMelonId()));
+    }
+
+    public void delete(UUID id) {
+        if (!melons.containsKey(id)) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Melon not found");
+        }
+        melons.remove(id);
+    }
+
+    private Water getWater(UUID id) {
+        Water water;
+        try {
+            String baseUrl = WATER_SERVICE_PATH + id;
+            water = restTemplate.getForEntity(baseUrl, Water.class).getBody();
+        } catch (RestClientException e) {
+            throw new RuntimeException("Failed get waterMelon for melon: " + e.getMessage());
+        }
+        return water;
+    }
+}

afanasev_dmitry_lab_3/melon/src/main/resources/application.properties

@@ -0,0 +1 @@
+spring.application.name=melon

afanasev_dmitry_lab_3/melon/src/test/java/ru/ulstu/melon/MelonApplicationTests.java

@@ -0,0 +1,13 @@
+package ru.ulstu.melon;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class MelonApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}

afanasev_dmitry_lab_3/nginx.conf

@@ -0,0 +1,19 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    server {
+        listen      80;
+        listen      [::]:80;
+        server_name localhost;
+
+        location /melon/ {
+            proxy_pass       http://melon:8080/;
+        }
+
+        location /water/ {
+            proxy_pass       http://water:8081/;
+        }
+    }
+}

afanasev_dmitry_lab_3/water/.gitattributes

@@ -0,0 +1,2 @@
+/mvnw text eol=lf
+*.cmd text eol=crlf

afanasev_dmitry_lab_3/water/.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

afanasev_dmitry_lab_3/water/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+wrapperVersion=3.3.2
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

afanasev_dmitry_lab_3/water/Dockerfile

@@ -0,0 +1,4 @@
+FROM bellsoft/liberica-openjdk-alpine:17.0.8
+ADD target/water-0.0.1-SNAPSHOT.jar /app/
+CMD ["java", "-Xmx200m", "-jar", "/app/water-0.0.1-SNAPSHOT.jar"]
+WORKDIR /app

afanasev_dmitry_lab_3/water/mvnw

@@ -0,0 +1,259 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Apache Maven Wrapper startup batch script, version 3.3.2
+#
+# Optional ENV vars
+# -----------------
+#   JAVA_HOME - location of a JDK home dir, required when download maven via java source
+#   MVNW_REPOURL - repo url base for downloading maven distribution
+#   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+#   MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
+# ----------------------------------------------------------------------------
+
+set -euf
+[ "${MVNW_VERBOSE-}" != debug ] || set -x
+
+# OS specific support.
+native_path() { printf %s\\n "$1"; }
+case "$(uname)" in
+CYGWIN* | MINGW*)
+  [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
+  native_path() { cygpath --path --windows "$1"; }
+  ;;
+esac
+
+# set JAVACMD and JAVACCMD
+set_java_home() {
+  # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
+  if [ -n "${JAVA_HOME-}" ]; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ]; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+      JAVACCMD="$JAVA_HOME/jre/sh/javac"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+      JAVACCMD="$JAVA_HOME/bin/javac"
+
+      if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
+        echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
+        echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
+        return 1
+      fi
+    fi
+  else
+    JAVACMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v java
+    )" || :
+    JAVACCMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v javac
+    )" || :
+
+    if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
+      echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
+      return 1
+    fi
+  fi
+}
+
+# hash string like Java String::hashCode
+hash_string() {
+  str="${1:-}" h=0
+  while [ -n "$str" ]; do
+    char="${str%"${str#?}"}"
+    h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
+    str="${str#?}"
+  done
+  printf %x\\n $h
+}
+
+verbose() { :; }
+[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }
+
+die() {
+  printf %s\\n "$1" >&2
+  exit 1
+}
+
+trim() {
+  # MWRAPPER-139:
+  #   Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
+  #   Needed for removing poorly interpreted newline sequences when running in more
+  #   exotic environments such as mingw bash on Windows.
+  printf "%s" "${1}" | tr -d '[:space:]'
+}
+
+# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
+while IFS="=" read -r key value; do
+  case "${key-}" in
+  distributionUrl) distributionUrl=$(trim "${value-}") ;;
+  distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
+  esac
+done <"${0%/*}/.mvn/wrapper/maven-wrapper.properties"
+[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in ${0%/*}/.mvn/wrapper/maven-wrapper.properties"
+
+case "${distributionUrl##*/}" in
+maven-mvnd-*bin.*)
+  MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
+  case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
+  *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
+  :Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
+  :Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
+  :Linux*x86_64*) distributionPlatform=linux-amd64 ;;
+  *)
+    echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
+    distributionPlatform=linux-amd64
+    ;;
+  esac
+  distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
+  ;;
+maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
+*) MVN_CMD="mvn${0##*/mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
+esac
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
+distributionUrlName="${distributionUrl##*/}"
+distributionUrlNameMain="${distributionUrlName%.*}"
+distributionUrlNameMain="${distributionUrlNameMain%-bin}"
+MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
+MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
+
+exec_maven() {
+  unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
+  exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
+}
+
+if [ -d "$MAVEN_HOME" ]; then
+  verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  exec_maven "$@"
+fi
+
+case "${distributionUrl-}" in
+*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
+*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
+esac
+
+# prepare tmp dir
+if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
+  clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
+  trap clean HUP INT TERM EXIT
+else
+  die "cannot create temp dir"
+fi
+
+mkdir -p -- "${MAVEN_HOME%/*}"
+
+# Download and Install Apache Maven
+verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+verbose "Downloading from: $distributionUrl"
+verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+# select .zip or .tar.gz
+if ! command -v unzip >/dev/null; then
+  distributionUrl="${distributionUrl%.zip}.tar.gz"
+  distributionUrlName="${distributionUrl##*/}"
+fi
+
+# verbose opt
+__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
+[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
+
+# normalize http auth
+case "${MVNW_PASSWORD:+has-password}" in
+'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+esac
+
+if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
+  verbose "Found wget ... using wget"
+  wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
+elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
+  verbose "Found curl ... using curl"
+  curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
+elif set_java_home; then
+  verbose "Falling back to use Java to download"
+  javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
+  targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
+  cat >"$javaSource" <<-END
+	public class Downloader extends java.net.Authenticator
+	{
+	  protected java.net.PasswordAuthentication getPasswordAuthentication()
+	  {
+	    return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
+	  }
+	  public static void main( String[] args ) throws Exception
+	  {
+	    setDefault( new Downloader() );
+	    java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
+	  }
+	}
+	END
+  # For Cygwin/MinGW, switch paths to Windows format before running javac and java
+  verbose " - Compiling Downloader.java ..."
+  "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
+  verbose " - Running Downloader.java ..."
+  "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
+fi
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+if [ -n "${distributionSha256Sum-}" ]; then
+  distributionSha256Result=false
+  if [ "$MVN_CMD" = mvnd.sh ]; then
+    echo "Checksum validation is not supported for maven-mvnd." >&2
+    echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  elif command -v sha256sum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  elif command -v shasum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  else
+    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
+    echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  fi
+  if [ $distributionSha256Result = false ]; then
+    echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
+    echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
+    exit 1
+  fi
+fi
+
+# unzip and move
+if command -v unzip >/dev/null; then
+  unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
+else
+  tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
+fi
+printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/mvnw.url"
+mv -- "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
+
+clean || :
+exec_maven "$@"

afanasev_dmitry_lab_3/water/mvnw.cmd

@@ -0,0 +1,149 @@
+<# : batch portion
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Apache Maven Wrapper startup batch script, version 3.3.2
+@REM
+@REM Optional ENV vars
+@REM   MVNW_REPOURL - repo url base for downloading maven distribution
+@REM   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+@REM   MVNW_VERBOSE - true: enable verbose log; others: silence the output
+@REM ----------------------------------------------------------------------------
+
+@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)
+@SET __MVNW_CMD__=
+@SET __MVNW_ERROR__=
+@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%
+@SET PSModulePath=
+@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @(
+  IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B)
+)
+@SET PSModulePath=%__MVNW_PSMODULEP_SAVE%
+@SET __MVNW_PSMODULEP_SAVE=
+@SET __MVNW_ARG0_NAME__=
+@SET MVNW_USERNAME=
+@SET MVNW_PASSWORD=
+@IF NOT "%__MVNW_CMD__%"=="" (%__MVNW_CMD__% %*)
+@echo Cannot start maven from wrapper >&2 && exit /b 1
+@GOTO :EOF
+: end batch / begin powershell #>
+
+$ErrorActionPreference = "Stop"
+if ($env:MVNW_VERBOSE -eq "true") {
+  $VerbosePreference = "Continue"
+}
+
+# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties
+$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl
+if (!$distributionUrl) {
+  Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
+}
+
+switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) {
+  "maven-mvnd-*" {
+    $USE_MVND = $true
+    $distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip"
+    $MVN_CMD = "mvnd.cmd"
+    break
+  }
+  default {
+    $USE_MVND = $false
+    $MVN_CMD = $script -replace '^mvnw','mvn'
+    break
+  }
+}
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+if ($env:MVNW_REPOURL) {
+  $MVNW_REPO_PATTERN = if ($USE_MVND) { "/org/apache/maven/" } else { "/maven/mvnd/" }
+  $distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace '^.*'+$MVNW_REPO_PATTERN,'')"
+}
+$distributionUrlName = $distributionUrl -replace '^.*/',''
+$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$',''
+$MAVEN_HOME_PARENT = "$HOME/.m2/wrapper/dists/$distributionUrlNameMain"
+if ($env:MAVEN_USER_HOME) {
+  $MAVEN_HOME_PARENT = "$env:MAVEN_USER_HOME/wrapper/dists/$distributionUrlNameMain"
+}
+$MAVEN_HOME_NAME = ([System.Security.Cryptography.MD5]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join ''
+$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME"
+
+if (Test-Path -Path "$MAVEN_HOME" -PathType Container) {
+  Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
+  exit $?
+}
+
+if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) {
+  Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl"
+}
+
+# prepare tmp dir
+$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile
+$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir"
+$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null
+trap {
+  if ($TMP_DOWNLOAD_DIR.Exists) {
+    try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
+    catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
+  }
+}
+
+New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null
+
+# Download and Install Apache Maven
+Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+Write-Verbose "Downloading from: $distributionUrl"
+Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+$webclient = New-Object System.Net.WebClient
+if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) {
+  $webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD)
+}
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum
+if ($distributionSha256Sum) {
+  if ($USE_MVND) {
+    Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties."
+  }
+  Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash
+  if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) {
+    Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property."
+  }
+}
+
+# unzip and move
+Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null
+Rename-Item -Path "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" -NewName $MAVEN_HOME_NAME | Out-Null
+try {
+  Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null
+} catch {
+  if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) {
+    Write-Error "fail to move MAVEN_HOME"
+  }
+} finally {
+  try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
+  catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
+}
+
+Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"

afanasev_dmitry_lab_3/water/pom.xml

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>3.3.5</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>ru.ulstu</groupId>
+	<artifactId>water</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>water</name>
+	<description>Demo project for Spring Boot</description>
+	<url/>
+	<licenses>
+		<license/>
+	</licenses>
+	<developers>
+		<developer/>
+	</developers>
+	<scm>
+		<connection/>
+		<developerConnection/>
+		<tag/>
+		<url/>
+	</scm>
+	<properties>
+		<java.version>17</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.springdoc</groupId>
+			<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+			<version>2.5.0</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+				<configuration>
+					<excludes>
+						<exclude>
+							<groupId>org.projectlombok</groupId>
+							<artifactId>lombok</artifactId>
+						</exclude>
+					</excludes>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

afanasev_dmitry_lab_3/water/src/main/java/ru/ulstu/water/WaterApplication.java

@@ -0,0 +1,13 @@
+package ru.ulstu.water;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class WaterApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(WaterApplication.class, args);
+	}
+
+}

afanasev_dmitry_lab_3/water/src/main/java/ru/ulstu/water/controller/WaterController.java

@@ -0,0 +1,58 @@
+package ru.ulstu.water.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import ru.ulstu.water.dto.WaterDto;
+import ru.ulstu.water.model.Melon;
+import ru.ulstu.water.model.Water;
+import ru.ulstu.water.service.WaterService;
+
+import java.util.Collection;
+import java.util.UUID;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/water")
+public class WaterController {
+    private final WaterService waterService;
+
+    @GetMapping
+    public ResponseEntity<Collection<Water>> get() {
+        return new ResponseEntity<>(waterService.get(), HttpStatus.OK);
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<Water> get(@PathVariable UUID id) {
+        return new ResponseEntity<>(waterService.get(id), HttpStatus.OK);
+    }
+
+    @PostMapping
+    public ResponseEntity<Water> add(@RequestBody WaterDto dto) {
+        return new ResponseEntity<>(waterService.add(dto), HttpStatus.OK);
+    }
+
+    @PutMapping("/{id}")
+    public ResponseEntity<Water> update(@PathVariable UUID id, @RequestBody WaterDto dto) {
+        return new ResponseEntity<>(waterService.update(id, dto), HttpStatus.OK);
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> delete(@PathVariable UUID id) {
+        waterService.delete(id);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+    @PostMapping("/{id}/addMelon")
+    public ResponseEntity<Water> addMelon(@PathVariable UUID id, @RequestBody Melon melon) {
+        return new ResponseEntity<>(waterService.addMelon(id, melon), HttpStatus.OK);
+    }
+}

afanasev_dmitry_lab_3/water/src/main/java/ru/ulstu/water/dto/WaterDto.java

@@ -0,0 +1,11 @@
+package ru.ulstu.water.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+@Getter
+public class WaterDto {
+    private Boolean isSweetBottom;
+    private Double volume;
+}

afanasev_dmitry_lab_3/water/src/main/java/ru/ulstu/water/model/Melon.java

@@ -0,0 +1,19 @@
+package ru.ulstu.water.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.util.UUID;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+public class Melon {
+    private UUID id;
+    private Boolean isRipe;
+    private Double weight;
+    private UUID waterMelonId;
+}

afanasev_dmitry_lab_3/water/src/main/java/ru/ulstu/water/model/Water.java

@@ -0,0 +1,20 @@
+package ru.ulstu.water.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.util.List;
+import java.util.UUID;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+public class Water {
+    private UUID id;
+    private Boolean isSweetBottom;
+    private Double volume;
+    private List<Melon> waterMelons;
+}

afanasev_dmitry_lab_3/water/src/main/java/ru/ulstu/water/service/WaterService.java

@@ -0,0 +1,64 @@
+package ru.ulstu.water.service;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+import org.springframework.web.server.ResponseStatusException;
+import ru.ulstu.water.dto.WaterDto;
+import ru.ulstu.water.model.Melon;
+import ru.ulstu.water.model.Water;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+@Service
+public class WaterService {
+    private final Map<UUID, Water> waters = new HashMap<>();
+
+    public Collection<Water> get() {
+        return waters.values();
+    }
+
+    public Water get(UUID id) {
+        if (!waters.containsKey(id)) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Water not found");
+        }
+        return waters.get(id);
+    }
+
+    public Water add(WaterDto dto) {
+        Water water = new Water(UUID.randomUUID(),
+                dto.getIsSweetBottom(),
+                dto.getVolume(),
+                new ArrayList<>());
+        waters.put(water.getId(), water);
+        return water;
+    }
+
+    public Water update(UUID id, WaterDto dto) {
+        Water water = waters.get(id);
+        if (dto.getIsSweetBottom() != null)
+            water.setIsSweetBottom(dto.getIsSweetBottom());
+        if (dto.getVolume() != null)
+            water.setVolume(dto.getVolume());
+        return water;
+    }
+
+    public void delete(UUID id) {
+        if (!waters.containsKey(id)) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Water not found");
+        }
+        waters.remove(id);
+    }
+
+    public Water addMelon(UUID id, Melon melon) {
+        if (!waters.containsKey(id)) {
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Water not found");
+        }
+        final Water water = waters.get(id);
+        water.getWaterMelons().add(melon);
+        return water;
+    }
+}

afanasev_dmitry_lab_3/water/src/main/resources/application.properties

@@ -0,0 +1,2 @@
+spring.application.name=water
+server.port=8081

afanasev_dmitry_lab_3/water/src/test/java/ru/ulstu/water/WaterApplicationTests.java

@@ -0,0 +1,13 @@
+package ru.ulstu.water;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class WaterApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}

artamonova_tatyana_lab_3/docker-compose.yml

@@ -0,0 +1,15 @@
+services:
+  vacancies-service:
+    build: ./vacancy-service
+    ports:
+      - "5000:5000"
+  resumes-service:
+    build: ./resume-service
+    ports:
+      - "5001:5001"
+  gateway:
+    image: nginx:latest
+    ports:
+      - "80:80"
+    volumes:
+      - ./nginx.conf:/etc/nginx/conf.d/default.conf

artamonova_tatyana_lab_3/nginx.conf

@@ -0,0 +1,19 @@
+upstream vacancies {
+    server vacancies-service:5000;
+}
+
+upstream resumes {
+    server resumes-service:5001;
+}
+
+server {
+    listen 80;
+
+    location /vacancies {
+      proxy_pass http://vacancies;
+    }
+
+    location /resumes {
+      proxy_pass http://resumes;
+    }
+}

artamonova_tatyana_lab_3/readme.md

@@ -0,0 +1,35 @@
+## Лабораторная работа №3 ПИбд-42 Артамоновой Татьяны
+
+### Цель: 
+* Реализовать два микросервиса, которые взаимодействуют друг с другом через синхронный обмен сообщениями (HTTP-запросы). Для доступа к микросервисам используется шлюз Nginx, реализованный с помощью Docker Compose.
+
+### Технологии:
+
+* Python: Язык программирования для реализации микросервисов. 
+* Flask: Фреймворк Python для создания веб-приложений, использован для создания REST API микросервисов.
+* requests: Библиотека Python для отправки HTTP-запросов, использован для синхронного обмена сообщениями между микросервисами.
+* flask_cors: Расширение Flask, которое позволяет микросервисам получать доступ к данным из других доменов.
+* Docker: Технология контейнеризации для упаковки и запуска микросервисов. 
+* Docker Compose: Инструмент для определения и управления многоконтейнерными приложениями, использован для запуска микросервисов и шлюза Nginx. 
+* Nginx: Сетевой прокси-сервер, использован как шлюз для доступа к микросервисам.
+
+### Функциональность:
+
+#### Микросервис vacancies-service:
+*  Реализует CRUD операции для вакансий (GET, POST, PUT, DELETE).
+*  Сохраняет данные о вакансиях в памяти (в словаре vacancies).
+*  Получает информацию о резюме из микросервиса resumes-service через HTTP-запрос.
+*  Включает информацию о резюме в ответ JSON для вакансии. 
+#### Микросервис resumes-service:
+*  Реализует CRUD операции для резюме (GET, POST, PUT, DELETE).
+*  Сохраняет данные о резюме в памяти (в словаре resumes). 
+#### Шлюз Nginx:
+*  Перенаправляет HTTP-запросы на соответствующие микросервисы.
+*  Предоставляет единую точку входа для доступа к микросервисам.
+
+### Запуск программы:
+
+*  Запуск команды docker-compose up -d
+
+### Ссылка на видео:
+https://vk.com/artamonovat?z=video212084908_456239358%2Fvideos212084908%2Fpl_212084908_-2

artamonova_tatyana_lab_3/resume-service/Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.9
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+RUN pip install -r requirements.txt
+
+COPY . .
+
+CMD ["python", "resume.py"]

artamonova_tatyana_lab_3/resume-service/requirements.txt

@@ -0,0 +1,3 @@
+flask
+requests
+flask_cors

artamonova_tatyana_lab_3/resume-service/resume.py

@@ -0,0 +1,79 @@
+import uuid
+import json
+from flask import Flask, request, jsonify
+from flask_cors import CORS
+
+
+class Resume:
+    def __init__(self, uuid, full_name, skills, experience, phone, email):
+        self.uuid = uuid
+        self.full_name = full_name
+        self.skills = skills
+        self.experience = experience
+        self.phone = phone
+        self.email = email
+
+
+app = Flask(__name__)
+CORS(app)
+
+resumes = {}
+
+
+@app.route("/resumes", methods=["GET"])
+def get_resumes():
+    return jsonify([resume.__dict__ for resume in resumes.values()])
+
+
+@app.route("/resumes/<resume_uuid>", methods=["GET"])
+def get_resume(resume_uuid):
+    resume = resumes.get(resume_uuid)
+    if resume:
+        return jsonify(resume.__dict__)
+    else:
+        return jsonify({"error": "Resume not found"}), 404
+
+
+@app.route("/resumes", methods=["POST"])
+def create_resume():
+    data = request.get_json()
+    resume_uuid = str(uuid.uuid4())
+    resume = Resume(
+        resume_uuid,
+        data["full_name"],
+        data["skills"],
+        data["experience"],
+        data["phone"],
+        data["email"],
+    )
+    resumes[resume_uuid] = resume
+    return jsonify(resume.__dict__), 201
+
+
+@app.route("/resumes/<resume_uuid>", methods=["PUT"])
+def update_resume(resume_uuid):
+    resume = resumes.get(resume_uuid)
+    if resume:
+        data = request.get_json()
+        resume.full_name = data.get("full_name", resume.full_name)
+        resume.skills = data.get("skills", resume.skills)
+        resume.experience = data.get("experience", resume.experience)
+        resume.phone = data.get("phone", resume.phone)
+        resume.email = data.get("email", resume.email)
+        return jsonify(resume.__dict__)
+    else:
+        return jsonify({"error": "Resume not found"}), 404
+
+
+@app.route("/resumes/<resume_uuid>", methods=["DELETE"])
+def delete_resume(resume_uuid):
+    resume = resumes.get(resume_uuid)
+    if resume:
+        del resumes[resume_uuid]
+        return "", 200
+    else:
+        return jsonify({"error": "Resume not found"}), 404
+
+
+if __name__ == "__main__":
+    app.run(debug=True, host="0.0.0.0", port=5001)

artamonova_tatyana_lab_3/vacancy-service/Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.9
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+RUN pip install -r requirements.txt
+
+COPY . .
+
+CMD ["python", "vacancy.py"]

artamonova_tatyana_lab_3/vacancy-service/requirements.txt

@@ -0,0 +1,3 @@
+flask
+requests
+flask_cors

artamonova_tatyana_lab_3/vacancy-service/vacancy.py

@@ -0,0 +1,124 @@
+import uuid
+import json
+from flask import Flask, request, jsonify
+from flask_cors import CORS
+import requests
+from requests.adapters import HTTPAdapter
+from requests.packages.urllib3.util.retry import Retry
+
+class Vacancy:
+    def __init__(self, uuid, title, company, description, salary, resume_uuid):
+        self.uuid = uuid
+        self.title = title
+        self.company = company
+        self.description = description
+        self.salary = salary
+        self.resume_uuid = resume_uuid
+        self.resume_info = None
+
+    def to_dict(self):
+        if self.resume_info:
+            return {
+                "uuid": self.uuid,
+                "title": self.title,
+                "company": self.company,
+                "description": self.description,
+                "salary": self.salary,
+                "resume_uuid": self.resume_uuid,
+                "resume_info": self.resume_info
+            }
+        else:
+            return {
+                "uuid": self.uuid,
+                "title": self.title,
+                "company": self.company,
+                "description": self.description,
+                "salary": self.salary,
+                "resume_uuid": self.resume_uuid
+            }
+
+app = Flask(__name__)
+CORS(app)
+
+vacancies = {}
+
+@app.route("/vacancies", methods=["GET"])
+def get_vacancies():
+    return jsonify([vacancy.to_dict() for vacancy in vacancies.values()])
+
+@app.route("/vacancies/<vacancy_uuid>", methods=["GET"])
+def get_vacancy(vacancy_uuid):
+    vacancy = vacancies.get(vacancy_uuid)
+    if vacancy:
+        if not vacancy.resume_info:
+            vacancy.resume_info = get_resume_info(vacancy.resume_uuid)
+        return jsonify(vacancy.to_dict())
+    else:
+        return jsonify({"error": "Vacancy not found"}), 404
+
+@app.route("/vacancies", methods=["POST"])
+def create_vacancy():
+    data = request.get_json()
+    vacancy_uuid = str(uuid.uuid4())
+    vacancy = Vacancy(
+        vacancy_uuid,
+        data["title"],
+        data["company"],
+        data["description"],
+        data["salary"],
+        data["resume_uuid"],
+    )
+    vacancies[vacancy_uuid] = vacancy
+    vacancy.resume_info = get_resume_info(vacancy.resume_uuid)
+    return jsonify(vacancy.to_dict()), 201
+
+@app.route("/vacancies/<vacancy_uuid>", methods=["PUT"])
+def update_vacancy(vacancy_uuid):
+    vacancy = vacancies.get(vacancy_uuid)
+    if vacancy:
+        data = request.get_json()
+        vacancy.title = data.get("title", vacancy.title)
+        vacancy.company = data.get("company", vacancy.company)
+        vacancy.description = data.get("description", vacancy.description)
+        vacancy.salary = data.get("salary", vacancy.salary)
+        vacancy.resume_uuid = data.get("resume_uuid", vacancy.resume_uuid)
+        vacancy.resume_info = get_resume_info(vacancy.resume_uuid)
+        return jsonify(vacancy.to_dict())
+    else:
+        return jsonify({"error": "Vacancy not found"}), 404
+
+@app.route("/vacancies/<vacancy_uuid>", methods=["DELETE"])
+def delete_vacancy(vacancy_uuid):
+    vacancy = vacancies.get(vacancy_uuid)
+    if vacancy:
+        del vacancies[vacancy_uuid]
+        return "", 200
+    else:
+        return jsonify({"error": "Vacancy not found"}), 404
+
+def get_resume_info(resume_uuid):
+    url = f'http://resumes-service:5001/resumes/{resume_uuid}'
+
+    # Настройка retry механизма
+    retries = Retry(
+        total=3,  # Максимальное количество повторов
+        status_forcelist=[429, 500, 502, 503, 504],  # Коды статуса, для которых нужно повторить запрос
+        backoff_factor=0.3,  # Время ожидания перед повторной попыткой
+    )
+    adapter = HTTPAdapter(max_retries=retries)
+    http = requests.Session()
+    http.mount("https://", adapter)
+    http.mount("http://", adapter)
+
+    try:
+        response = http.get(url)
+        if response.status_code == 200:
+            return response.json()
+        else:
+            return None
+    except requests.exceptions.RequestException as e:
+        print(f"Ошибка при запросе к resumes-service: {e}")
+        return None
+
+if __name__ == "__main__":
+    app.run(debug=True, host="0.0.0.0", port=5000)

artamonova_tatyana_lab_4/Consumer1.py

@@ -0,0 +1,23 @@
+import pika
+import json
+import time
+
+credentials = pika.PlainCredentials('guest', 'guest')
+connection = pika.BlockingConnection(
+  pika.ConnectionParameters(host='localhost', credentials=credentials))
+channel = connection.channel()
+
+channel.queue_declare(queue='order_queue_1')
+
+channel.queue_bind(exchange='order_events', queue='order_queue_1')
+
+def callback(ch, method, properties, body):
+  event = json.loads(body.decode('utf-8'))
+  print(f'Получено событие (очередь 1): {event}')
+  print(f'Обработка заказа {event["order_id"]}...')
+  time.sleep(2)
+
+channel.basic_consume(queue='order_queue_1', on_message_callback=callback, auto_ack=True)
+
+print('Ожидание сообщений (очередь 1)...')
+channel.start_consuming()

artamonova_tatyana_lab_4/Consumer2.py

@@ -0,0 +1,22 @@
+import pika
+import json
+import time
+
+credentials = pika.PlainCredentials('guest', 'guest')
+connection = pika.BlockingConnection(
+  pika.ConnectionParameters(host='localhost', credentials=credentials))
+channel = connection.channel()
+
+channel.queue_declare(queue='order_queue_2')
+
+channel.queue_bind(exchange='order_events', queue='order_queue_2')
+
+def callback(ch, method, properties, body):
+  event = json.loads(body.decode('utf-8'))
+  print(f'Получено событие (очередь 2): {event}')
+  print(f'Обработка заказа {event["order_id"]} завершена.')
+
+channel.basic_consume(queue='order_queue_2', on_message_callback=callback, auto_ack=True)
+
+print('Ожидание сообщений (очередь 2)...')
+channel.start_consuming()

artamonova_tatyana_lab_4/Publisher.py

@@ -0,0 +1,31 @@
+import pika
+import json
+import time
+import random
+
+credentials = pika.PlainCredentials('guest', 'guest')
+connection = pika.BlockingConnection(
+  pika.ConnectionParameters(host='localhost', credentials=credentials))
+channel = connection.channel()
+
+channel.exchange_declare(exchange='order_events', exchange_type='fanout')
+
+while True:
+  event = {
+    'event_type': 'order_created',
+    'order_id': random.randint(1000, 9999),
+    'customer_name': f'Клиент {random.randint(1, 100)}',
+    'product_name': f'Товар {random.randint(1, 10)}',
+    'quantity': random.randint(1, 10),
+    'timestamp': time.time()
+  }
+
+  channel.basic_publish(
+    exchange='order_events',
+    routing_key='',
+    body=json.dumps(event)
+  )
+  print(f'Опубликовано событие: {event}')
+  time.sleep(1)
+
+connection.close()

artamonova_tatyana_lab_4/readme.md

@@ -0,0 +1,26 @@
+## Лабораторная работа №4 ПИбд-42 Артамонова Татьяна
+
+### Прохождение туториала
+1. ![tutorial-1.png](images/tutorial-1.png)
+2. ![tutorial-2.png](images/tutorial-2.png)
+3. ![tutorial-3.png](images/tutorial-3.png)
+
+### Запуск приложений и анализ скорости обработки
+
+1. Запуск Publisher, Consumer 1 и Consumer 2.
+* Consumer 1: Очередь order_queue_1 будет иметь некоторое количество сообщений, так как Consumer 1 обрабатывает сообщения с задержкой в 2 секунды.
+* Consumer 2: Очередь order_queue_2 будет практически пустой, так как Consumer 2 обрабатывает сообщения моментально.
+
+2. Запуск нескольких копий Consumer 1
+* Очередь order_queue_1 будет иметь меньше сообщений, так как 3 Consumer-а обрабатывают сообщения быстрее, чем 1 Consumer.
+
+![queue1.png](images/queue1.png)
+
+![queue2.png](images/queue2.png)
+
+![exchange.png](images/exchange.png)
+
+![consumers.png](images/consumers.png)
+
+### Видео
+https://vk.com/video/@artamonovat?section=upload&z=video212084908_456239359

artamonova_tatyana_lab_4/tutorial/1/receive.py

@@ -0,0 +1,25 @@
+import pika, sys, os
+
+def main():
+    connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
+    channel = connection.channel()
+
+    channel.queue_declare(queue='hello')
+
+    def callback(ch, method, properties, body):
+        print(f" [x] Received {body}")
+
+    channel.basic_consume(queue='hello', on_message_callback=callback, auto_ack=True)
+
+    print(' [*] Waiting for messages. To exit press CTRL+C')
+    channel.start_consuming()
+
+if __name__ == '__main__':
+    try:
+        main()
+    except KeyboardInterrupt:
+        print('Interrupted')
+        try:
+            sys.exit(0)
+        except SystemExit:
+            os._exit(0)

artamonova_tatyana_lab_4/tutorial/1/send.py

@@ -0,0 +1,11 @@
+import pika
+
+connection = pika.BlockingConnection(
+    pika.ConnectionParameters(host='localhost'))
+channel = connection.channel()
+
+channel.queue_declare(queue='hello')
+
+channel.basic_publish(exchange='', routing_key='hello', body='Hello World!')
+print(" [x] Sent 'Hello World!'")
+connection.close()

balakhonov_danila_lab_3/ApiRestaurant/.dockerignore

@@ -0,0 +1,30 @@
+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/azds.yaml
+**/bin
+**/charts
+**/docker-compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md
+!**/.gitignore
+!.git/HEAD
+!.git/config
+!.git/packed-refs
+!.git/refs/heads/**

balakhonov_danila_lab_3/ApiRestaurant/.gitignore

@@ -0,0 +1,484 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from `dotnet new gitignore`
+
+# dotenv files
+.env
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# Tye
+.tye/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.tlog
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio 6 auto-generated project file (contains which files were open etc.)
+*.vbp
+
+# Visual Studio 6 workspace and project file (working project files containing files to include in project)
+*.dsw
+*.dsp
+
+# Visual Studio 6 technical files
+*.ncb
+*.aps
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# Visual Studio History (VSHistory) files
+.vshistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd
+
+# VS Code files for those working on multiple tools
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# Local History for Visual Studio Code
+.history/
+
+# Windows Installer files from build outputs
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# JetBrains Rider
+*.sln.iml
+.idea
+
+##
+## Visual studio for Mac
+##
+
+
+# globs
+Makefile.in
+*.userprefs
+*.usertasks
+config.make
+config.status
+aclocal.m4
+install-sh
+autom4te.cache/
+*.tar.gz
+tarballs/
+test-results/
+
+# Mac bundle stuff
+*.dmg
+*.app
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/Windows.gitignore
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# Vim temporary swap files
+*.swp

balakhonov_danila_lab_3/ApiRestaurant/ApiRestaurant.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UserSecretsId>9589d6f5-875c-4d7d-8e68-37a2077e80be</UserSecretsId>
+    <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+    <DockerfileContext>.</DockerfileContext>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.10" />
+    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.21.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
+  </ItemGroup>
+
+</Project>

balakhonov_danila_lab_3/ApiRestaurant/ApiRestaurant.http

@@ -0,0 +1,6 @@
+@ApiRestaurant_HostAddress = http://localhost:5089
+
+GET {{ApiRestaurant_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

balakhonov_danila_lab_3/ApiRestaurant/ApiRestaurant.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.11.35222.181
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ApiRestaurant", "ApiRestaurant.csproj", "{6E19ADDC-7351-4145-9C49-B0CC87BD1206}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{6E19ADDC-7351-4145-9C49-B0CC87BD1206}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6E19ADDC-7351-4145-9C49-B0CC87BD1206}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6E19ADDC-7351-4145-9C49-B0CC87BD1206}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6E19ADDC-7351-4145-9C49-B0CC87BD1206}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {C62DE3C6-63AA-4075-9729-9F5ECD4E7B51}
+	EndGlobalSection
+EndGlobal

balakhonov_danila_lab_3/ApiRestaurant/Controllers/RestaurantController.cs

@@ -0,0 +1,59 @@
+using ApiRestaurant.Models;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace ApiRestaurant.Controllers;
+
+[Route("api/[controller]")]
+[ApiController]
+public class RestaurantController : ControllerBase
+{
+    private RestaurantContext _context;
+    public RestaurantController(RestaurantContext context)
+    {
+        _context = context;
+    }
+
+    [HttpGet]
+    public Task<List<Restaurant>> GetAll() {
+        return _context.Restaurants.ToListAsync();
+    }
+
+    [HttpGet("{id}")]
+    public async Task<ActionResult<Restaurant?>> GetOne(Guid id) {
+        var restaurant = await _context.Restaurants.FindAsync(id);
+        if (restaurant == null) return NotFound($"Restourant with [id: '{id}'] not found");
+        var waiters = await WaiterApiClient.GetAllForRestaurant(id);
+        restaurant.Waiters = waiters;
+        return restaurant;
+    }
+
+    [HttpPost]
+    public ActionResult<Restaurant> Create(RestaurantDTO restaurant) {
+        var newRestaurant = new Restaurant { Name = restaurant.Name };
+        var res = _context.Restaurants.Add(newRestaurant);
+        _context.SaveChanges();
+        return res.Entity;
+    }
+
+    [HttpPut("{id}")]
+    public ActionResult<Restaurant> Update(Guid id, RestaurantDTO restaurant) {
+        var oldRestaurant = _context.Restaurants.FirstOrDefault(r => r.Id == id);
+        if (oldRestaurant == null) return NotFound();
+        oldRestaurant.Name = restaurant.Name;
+        var res = _context.Restaurants.Update(oldRestaurant);
+        _context.SaveChangesAsync();
+        return res.Entity;
+    }
+
+    [HttpDelete]
+    public ActionResult Delete(Guid id) {
+        var restaurant = _context.Restaurants.FirstOrDefault(r => r.Id == id);
+        if (restaurant is null) return NotFound();
+        _context.Restaurants.Remove(restaurant);
+        _context.SaveChangesAsync();
+        return Ok();
+    }
+}
+
+public record RestaurantDTO(string Name);

balakhonov_danila_lab_3/ApiRestaurant/Dockerfile

@@ -0,0 +1,30 @@
+# См. статью по ссылке https://aka.ms/customizecontainer, чтобы узнать как настроить контейнер отладки и как Visual Studio использует этот Dockerfile для создания образов для ускорения отладки.
+
+# Этот этап используется при запуске из VS в быстром режиме (по умолчанию для конфигурации отладки)
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
+USER app
+WORKDIR /app
+EXPOSE 8080
+EXPOSE 8081
+
+
+# Этот этап используется для сборки проекта службы
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+ARG BUILD_CONFIGURATION=Release
+WORKDIR /src
+COPY ["ApiRestaurant.csproj", "."]
+RUN dotnet restore "./ApiRestaurant.csproj"
+COPY . .
+WORKDIR "/src/."
+RUN dotnet build "./ApiRestaurant.csproj" -c $BUILD_CONFIGURATION -o /app/build
+
+# Этот этап используется для публикации проекта службы, который будет скопирован на последний этап
+FROM build AS publish
+ARG BUILD_CONFIGURATION=Release
+RUN dotnet publish "./ApiRestaurant.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false
+
+# Этот этап используется в рабочей среде или при запуске из VS в обычном режиме (по умолчанию, когда конфигурация отладки не используется)
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "ApiRestaurant.dll"]

balakhonov_danila_lab_3/ApiRestaurant/Models/Restaurant.cs

@@ -0,0 +1,8 @@
+namespace ApiRestaurant.Models;
+
+public class Restaurant 
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public List<Waiter>? Waiters { get; set; }
+}

balakhonov_danila_lab_3/ApiRestaurant/Models/RestaurantContext.cs

@@ -0,0 +1,13 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace ApiRestaurant.Models;
+
+public class RestaurantContext : DbContext
+{
+    public RestaurantContext(DbContextOptions<RestaurantContext> options)
+        : base(options)
+    {
+    }
+
+    public DbSet<Restaurant> Restaurants { get; set; } = null!;
+}

balakhonov_danila_lab_3/ApiRestaurant/Models/Waiter.cs

@@ -0,0 +1,7 @@
+namespace ApiRestaurant.Models;
+
+public class Waiter
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+}

balakhonov_danila_lab_3/ApiRestaurant/NetworkSupport.cs

@@ -0,0 +1,28 @@
+namespace ApiRestaurant;
+
+public static class NetworkSupport 
+{
+    public static async Task CheckConnectionAsync(string address)
+    {
+        using (var client = new HttpClient())
+            {
+                try
+                {
+                    var response = await client.GetAsync(address);
+
+                    if (response.IsSuccessStatusCode)
+                    {
+                        Console.WriteLine($"Соединение успешно проверено. Статус-код: {response.StatusCode}");
+                    }
+                    else
+                    {
+                        Console.WriteLine($"Соединение не удалось проверить. Статус-код: {response.StatusCode}");
+                    }
+                }
+                catch (HttpRequestException ex)
+                {
+                    Console.WriteLine($"Ошибка при проверке соединения: {ex.Message}");
+                }
+            }
+    }
+}

balakhonov_danila_lab_3/ApiRestaurant/Program.cs

@@ -0,0 +1,36 @@
+using Microsoft.EntityFrameworkCore;
+using ApiRestaurant.Models;
+using ApiRestaurant;
+
+var builder = WebApplication.CreateBuilder(args);
+
+var waiterApiAddress = 
+    Environment.GetEnvironmentVariable("WAITER_API_URL")
+    ?? "http://localhost:4000/waiters/";
+WaiterApiClient.Setup(waiterApiAddress);
+await NetworkSupport.CheckConnectionAsync(waiterApiAddress);
+
+// Add services to the container.
+builder.Services.AddControllers();
+builder.Services.AddDbContext<RestaurantContext>(opt => 
+    opt.UseInMemoryDatabase("ApiRestaurant"));
+
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+app.UseAuthorization();
+
+app.MapControllers();
+
+app.Run();

balakhonov_danila_lab_3/ApiRestaurant/Properties/launchSettings.json

@@ -0,0 +1,52 @@
+{
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "dotnetRunMessages": true,
+      "applicationUrl": "http://localhost:5089"
+    },
+    "https": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "dotnetRunMessages": true,
+      "applicationUrl": "https://localhost:7269;http://localhost:5089"
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "Container (Dockerfile)": {
+      "commandName": "Docker",
+      "launchBrowser": true,
+      "launchUrl": "{Scheme}://{ServiceHost}:{ServicePort}/swagger",
+      "environmentVariables": {
+        "ASPNETCORE_HTTPS_PORTS": "8081",
+        "ASPNETCORE_HTTP_PORTS": "8080"
+      },
+      "publishAllPorts": true,
+      "useSSL": true
+    }
+  },
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:57319",
+      "sslPort": 44369
+    }
+  }
+}

balakhonov_danila_lab_3/ApiRestaurant/WaiterApiClient.cs

@@ -0,0 +1,26 @@
+using ApiRestaurant.Models;
+
+namespace ApiRestaurant;
+
+public static class WaiterApiClient
+{
+    public static string WaiterApiAddress { get; private set; } = string.Empty;
+    private static readonly HttpClient client = new();
+
+    public static void Setup(string waiterApiAddress)
+    {
+        WaiterApiAddress = waiterApiAddress;
+    }
+    public static async Task<List<Waiter>> GetAllForRestaurant(Guid restaurantId) {
+        try
+        {
+            var waiters = await client.GetFromJsonAsync<List<Waiter>>(WaiterApiAddress + $"from-restaurant/{restaurantId}");
+            return waiters ?? [];
+        }
+        catch (HttpRequestException ex)
+        {
+            Console.WriteLine($"Error fetching waiters: {ex.Message}");
+            throw;
+        }
+    }
+}

balakhonov_danila_lab_3/ApiRestaurant/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

balakhonov_danila_lab_3/ApiRestaurant/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

balakhonov_danila_lab_3/ApiWaiter/.gitignore

@@ -0,0 +1 @@
+node_modules

balakhonov_danila_lab_3/ApiWaiter/Dockerfile

@@ -0,0 +1,9 @@
+FROM node:23-alpine
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm i
+
+COPY . .
+
+ENTRYPOINT ["npm", "run", "start"]

balakhonov_danila_lab_3/ApiWaiter/db.json

@@ -0,0 +1,4 @@
+{
+    "waiters": {
+    }
+}

balakhonov_danila_lab_3/ApiWaiter/index.js

@@ -0,0 +1,82 @@
+import express from 'express';
+import { JsonDB, Config } from 'node-json-db';
+
+const app = express();
+
+const db = new JsonDB(new Config("db", true, true, '/'));
+const port = process.env.PORT || 4000;
+
+app.use(express.json());
+
+// CORS settings
+app.use((req, res, next) => {
+    res.setHeader('Access-Control-Allow-Origin', '*');
+    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE');
+    res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
+    next();
+});
+
+// Get all
+app.get('/waiters', async (req, res) => {
+    res.send(await db.getData('/waiters'));
+});
+
+// Create one
+app.post('/waiters', async (req, res) => {
+    let newWaiter = req.body;
+    // Generate id
+    newWaiter.id = crypto.randomUUID();
+    await db.push("/waiters/" + newWaiter.id, newWaiter);
+    res.send(newWaiter);
+});
+
+// Get one
+app.get('/waiters/:id', async (req, res) => {
+    const id = req.params.id;
+    const waiter = await db.getData('/waiters/' + id);
+    if (!waiter) {
+        res.status(404).json({ message: 'Waiter not found' });
+        return;
+    }
+    res.send(waiter);
+});
+
+// Get all for one restaurant
+app.get('/waiters/from-restaurant/:id', async (req, res) => {
+    const restaurantId = req.params.id;
+    const waiters = await db.filter('/waiters', w => w.restaurant_id === restaurantId);
+    res.send(waiters ?? []);
+});
+
+// Update one
+app.put('/waiters/:id', async (req, res) => {
+    const id = req.params.id;
+    const updatedWaiter = req.body;
+    const waiterExists = await db.exists('/waiters/' + id);
+
+    if (!waiterExists) {
+        res.status(404).json({ message: 'Waiter not found' });
+        return;
+    }
+
+    updatedWaiter.id = id;
+
+    await db.push('/waiters/' + id, updatedWaiter, true);
+    res.send(updatedWaiter);
+});
+
+// Delete one
+app.delete('/waiters/:id', async (req, res) => {
+    const id = req.params.id;
+    const waiterExists = await db.exists('/waiters/' + id);
+
+    if (!waiterExists) {
+        res.status(404).json({ message: 'Waiter not found' });
+        return;
+    }
+
+    await db.delete('/waiters/' + id);
+    res.status(200);
+});
+
+app.listen(port)

balakhonov_danila_lab_3/ApiWaiter/package-lock.json

@@ -0,0 +1,789 @@
+{
+  "name": "apiwaiter",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "apiwaiter",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "express": "^4.21.1",
+        "node-json-db": "^2.3.0"
+      }
+    },
+    "node_modules/accepts": {
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+      "license": "MIT",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
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+      "license": "MIT",
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+      "license": "MIT",
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+}

balakhonov_danila_lab_3/ApiWaiter/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "apiwaiter",
+  "version": "1.0.0",
+  "description": "api for waiters",
+  "type": "module",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node index.js"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.21.1",
+    "node-json-db": "^2.3.0"
+  }
+}

balakhonov_danila_lab_3/README.md

@@ -0,0 +1,60 @@
+# Лабораторная работа номер 3
+
+> Здравствуйте меня зовут Балахонов Данила группа ПИбд-42
+> 
+> *— Балахонов Данила ПИбд-42*
+
+Видео лабораторной работы номер 3 доступно по этой [ссылке](https://drive.google.com/file/d/1KplDSt-BUQl9OUTM9x7VZcGeokuLhdOD/view?usp=sharing).
+
+## Как запустить лабораторную работу номер 3?
+### Необходимые компоненты для запуска лабораторной работы номер 3
+> Здесь рассказана установка необходимых компонентов для запуска лабораторной работы номер 3 под дистрибутив GNU/Linux **Ubuntu**.
+
+Для запуска лабораторной работы номер 3 необходимы такие компоненты: 
+ - Git
+ - Docker
+ - Docker compose
+
+Чтобы установить **Git**, необходимо ввести данные команды в командную строку:
+``` bash
+sudo apt-get update
+sudo apt-get install git
+```
+
+Чтобы установить **Docker** и **Docker compose**, стоит ввести такие команды:
+``` bash
+# Настройка репозитория Docker
+sudo apt-get update
+sudo apt-get install ca-certificates curl
+sudo install -m 0755 -d /etc/apt/keyrings
+sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+sudo chmod a+r /etc/apt/keyrings/docker.asc
+
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+sudo apt-get update
+
+# Установка Docker и его компонентов
+sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+```
+### Запуск лабораторной работы номер 3
+Для запуска лабораторной работы номер 3 необходимо **склонировать** репозиторий в любую папку и **перейти на ветку** balakhonov_danila_lab_3.
+Далее в папке с `docker-compose.yaml` нужно вызвать такую команду:
+``` bash
+sudo docker-compose up --build
+```
+Таким образом контейнеры будут подготовлены и запущены.
+Доступ к функционалну системы происходит через nginx, через порт 80.
+## Какие технологии были использованы?
+Для выполнения лабораторной работы номер 3 были использованы такие технологии, как:
+ - Dockerfile
+ - Docker compose
+ - Git
+ - .NET SDK и С# в частности
+ - ASP.NET Core
+ - Node.js
+ - Express
+## Что делает лабораторная работа номер 3?
+Суть лабораторной работы номер 3 заключается в распределении функционала между несколькими сервисами, а также реализации взаимодействия между ними. 

balakhonov_danila_lab_3/docker-compose.yaml

@@ -0,0 +1,26 @@
+services:
+  restaurant_service:
+    build: ./ApiRestaurant/
+    environment:
+      WAITER_API_URL: http://waiter_service:4000/waiters/
+    expose:
+      - 8080
+    depends_on:
+      - waiter_service
+
+  waiter_service:
+    build: ./ApiWaiter/
+    environment:
+      PORT: 4000
+    expose:
+      - 4000
+
+  nginx:
+    image: nginx
+    depends_on:
+      - restaurant_service
+      - waiter_service
+    ports:
+      - "80:80"
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf

balakhonov_danila_lab_3/nginx.conf

@@ -0,0 +1,27 @@
+events {
+    worker_connections 1024;
+}
+    
+http {
+    server {
+        listen      80;
+        listen      [::]:80;
+        server_name localhost;
+
+        location /waiters/ {
+            proxy_pass       http://waiter_service:4000/waiters/;
+            proxy_set_header Host      $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_set_header X-Forwarded-Prefix /test;
+        }
+
+        location /restaurants/ {
+            proxy_pass       http://restaurant_service:8080/api/restaurant/;
+            proxy_set_header Host      $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_set_header X-Forwarded-Prefix /admin;
+        }
+    }
+}

bazunov_andrew_lab_3/PersonApp/.env

@@ -0,0 +1,4 @@
+PORT=8080
+TASK_APP_URL=http://task-app:8000
+TIMEOUT=15
+DATABASE=./database.db

bazunov_andrew_lab_3/PersonApp/Dockerfile

@@ -0,0 +1,14 @@
+FROM golang:1.23
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+
+RUN go build -o /bin/PersonApp
+
+EXPOSE 8080
+
+CMD ["/bin/PersonApp"]