diff --git a/balakhonov_danila_lab_3/ApiRestaurant/.gitignore b/balakhonov_danila_lab_3/ApiRestaurant/.gitignore
new file mode 100644
index 0000000..104b544
--- /dev/null
+++ b/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
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/ApiRestaurant.csproj b/balakhonov_danila_lab_3/ApiRestaurant/ApiRestaurant.csproj
new file mode 100644
index 0000000..2242827
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiRestaurant/ApiRestaurant.csproj
@@ -0,0 +1,14 @@
+
+
+
+ net8.0
+ enable
+ enable
+
+
+
+
+
+
+
+
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/ApiRestaurant.http b/balakhonov_danila_lab_3/ApiRestaurant/ApiRestaurant.http
new file mode 100644
index 0000000..2d63141
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiRestaurant/ApiRestaurant.http
@@ -0,0 +1,6 @@
+@ApiRestaurant_HostAddress = http://localhost:5089
+
+GET {{ApiRestaurant_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/Controllers/RestaurantController.cs b/balakhonov_danila_lab_3/ApiRestaurant/Controllers/RestaurantController.cs
new file mode 100644
index 0000000..0d1a6de
--- /dev/null
+++ b/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> GetAll() {
+ return _context.Restaurants.ToListAsync();
+ }
+
+ [HttpGet("{id}")]
+ public async Task> GetOne(Guid id) {
+ var restaurant = await _context.Restaurants.FindAsync(id);
+ if (restaurant == null) return NotFound();
+ var waiters = await WaiterApiClient.GetAllForRestaurant(id);
+ restaurant.Waiters = waiters;
+ return restaurant;
+ }
+
+ [HttpPost]
+ public ActionResult 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 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);
\ No newline at end of file
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/Dockerfile b/balakhonov_danila_lab_3/ApiRestaurant/Dockerfile
new file mode 100644
index 0000000..5809cb3
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiRestaurant/Dockerfile
@@ -0,0 +1,14 @@
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+WORKDIR /App
+
+# Copy everything
+COPY . ./
+# Restore as distinct layers
+RUN dotnet restore
+# Build and publish a release
+RUN dotnet publish -c Release -o out
+
+FROM mcr.microsoft.com/dotnet/runtime:8.0 AS runtime
+WORKDIR /App
+COPY --from=build /App/out .
+ENTRYPOINT ["dotnet", "ApiRestaurant.dll"]
\ No newline at end of file
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/Models/Restaurant.cs b/balakhonov_danila_lab_3/ApiRestaurant/Models/Restaurant.cs
new file mode 100644
index 0000000..06d8ea6
--- /dev/null
+++ b/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? Waiters { get; set; }
+}
\ No newline at end of file
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/Models/RestaurantContext.cs b/balakhonov_danila_lab_3/ApiRestaurant/Models/RestaurantContext.cs
new file mode 100644
index 0000000..a110db6
--- /dev/null
+++ b/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 options)
+ : base(options)
+ {
+ }
+
+ public DbSet Restaurants { get; set; } = null!;
+}
\ No newline at end of file
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/Models/Waiter.cs b/balakhonov_danila_lab_3/ApiRestaurant/Models/Waiter.cs
new file mode 100644
index 0000000..aeb6800
--- /dev/null
+++ b/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;
+}
\ No newline at end of file
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/Program.cs b/balakhonov_danila_lab_3/ApiRestaurant/Program.cs
new file mode 100644
index 0000000..8eeab39
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiRestaurant/Program.cs
@@ -0,0 +1,35 @@
+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);
+
+// Add services to the container.
+builder.Services.AddControllers();
+builder.Services.AddDbContext(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();
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/Properties/launchSettings.json b/balakhonov_danila_lab_3/ApiRestaurant/Properties/launchSettings.json
new file mode 100644
index 0000000..4e89f9f
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiRestaurant/Properties/launchSettings.json
@@ -0,0 +1,41 @@
+{
+ "$schema": "http://json.schemastore.org/launchsettings.json",
+ "iisSettings": {
+ "windowsAuthentication": false,
+ "anonymousAuthentication": true,
+ "iisExpress": {
+ "applicationUrl": "http://localhost:57319",
+ "sslPort": 44369
+ }
+ },
+ "profiles": {
+ "http": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "launchUrl": "swagger",
+ "applicationUrl": "http://localhost:5089",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ },
+ "https": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "launchUrl": "swagger",
+ "applicationUrl": "https://localhost:7269;http://localhost:5089",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ },
+ "IIS Express": {
+ "commandName": "IISExpress",
+ "launchBrowser": true,
+ "launchUrl": "swagger",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ }
+ }
+}
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/WaiterApiClient.cs b/balakhonov_danila_lab_3/ApiRestaurant/WaiterApiClient.cs
new file mode 100644
index 0000000..288c76d
--- /dev/null
+++ b/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> GetAllForRestaurant(Guid restaurantId) {
+ try
+ {
+ var waiters = await client.GetFromJsonAsync>(WaiterApiAddress + $"from-restaurant/{restaurantId}");
+ return waiters ?? [];
+ }
+ catch (HttpRequestException ex)
+ {
+ Console.WriteLine($"Error fetching waiters: {ex.Message}");
+ throw;
+ }
+ }
+}
\ No newline at end of file
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/appsettings.Development.json b/balakhonov_danila_lab_3/ApiRestaurant/appsettings.Development.json
new file mode 100644
index 0000000..0c208ae
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiRestaurant/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+ "Logging": {
+ "LogLevel": {
+ "Default": "Information",
+ "Microsoft.AspNetCore": "Warning"
+ }
+ }
+}
diff --git a/balakhonov_danila_lab_3/ApiRestaurant/appsettings.json b/balakhonov_danila_lab_3/ApiRestaurant/appsettings.json
new file mode 100644
index 0000000..10f68b8
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiRestaurant/appsettings.json
@@ -0,0 +1,9 @@
+{
+ "Logging": {
+ "LogLevel": {
+ "Default": "Information",
+ "Microsoft.AspNetCore": "Warning"
+ }
+ },
+ "AllowedHosts": "*"
+}
diff --git a/balakhonov_danila_lab_3/ApiWaiter/.gitignore b/balakhonov_danila_lab_3/ApiWaiter/.gitignore
new file mode 100644
index 0000000..b512c09
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiWaiter/.gitignore
@@ -0,0 +1 @@
+node_modules
\ No newline at end of file
diff --git a/balakhonov_danila_lab_3/ApiWaiter/Dockerfile b/balakhonov_danila_lab_3/ApiWaiter/Dockerfile
new file mode 100644
index 0000000..3172346
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiWaiter/Dockerfile
@@ -0,0 +1,11 @@
+FROM node:23-alpine
+WORKDIR /app
+
+COPY package*.json .
+RUN npm i
+
+COPY . .
+
+EXPOSE 4000
+
+ENTRYPOINT ["npm", "run", "start"]
\ No newline at end of file
diff --git a/balakhonov_danila_lab_3/ApiWaiter/db.json b/balakhonov_danila_lab_3/ApiWaiter/db.json
new file mode 100644
index 0000000..6230ab8
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiWaiter/db.json
@@ -0,0 +1,4 @@
+{
+ "waiters": {
+ }
+}
\ No newline at end of file
diff --git a/balakhonov_danila_lab_3/ApiWaiter/index.js b/balakhonov_danila_lab_3/ApiWaiter/index.js
new file mode 100644
index 0000000..ade7fc9
--- /dev/null
+++ b/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)
\ No newline at end of file
diff --git a/balakhonov_danila_lab_3/ApiWaiter/package-lock.json b/balakhonov_danila_lab_3/ApiWaiter/package-lock.json
new file mode 100644
index 0000000..03bb36d
--- /dev/null
+++ b/balakhonov_danila_lab_3/ApiWaiter/package-lock.json
@@ -0,0 +1,789 @@
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diff --git a/balakhonov_danila_lab_3/ApiWaiter/package.json b/balakhonov_danila_lab_3/ApiWaiter/package.json
new file mode 100644
index 0000000..ba48855
--- /dev/null
+++ b/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"
+ }
+}
diff --git a/balakhonov_danila_lab_3/docker-compose.yaml b/balakhonov_danila_lab_3/docker-compose.yaml
new file mode 100644
index 0000000..8ae73ee
--- /dev/null
+++ b/balakhonov_danila_lab_3/docker-compose.yaml
@@ -0,0 +1,23 @@
+services:
+ restaurant-service:
+ build: ./restaurant-service/
+ environment:
+ WAITER_API_URL: http://waiter-service:4000
+ depends_on:
+ - waiter-service
+ waiter-service:
+ build: ./waiter-service/
+ environment:
+ PORT: 4000
+ ports:
+ - "4000:4000"
+
+ nginx:
+ image: nginx
+ depends_on:
+ - restaurant-service
+ - waiter-service
+ ports:
+ - "80:80"
+ volumes:
+ - ./nginx.conf:/etc/nginx/nginx.conf
\ No newline at end of file