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# Отчет по лабораторной работе №3
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Выполнила студентка гр. ИСЭбд-41 Островская С. Ф.
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## REST API, Gateway и синхронный обмен между микросервисами
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## Создание микросервисов
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1. Создала первый микросервис - `dotnet new web -n worker-1`
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2. Добавила решение - `dotnet new sln`
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3. Связала решение и проект - `dotnet sln worker-1.sln add worker-1.csproj`
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4. Для второго микросервиса выполнила пункты 1-3
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5. Добавила библиотеку Swagger и OpenAi - `dotnet add worker-1.csproj package Swashbuckle.AspNetCore` , `dotnet add worker-1.csproj package Microsoft.AspNetCore.OpenApi`
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6. Запустила - `dotnet run`
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Скриншоты протестированных микросервисов:
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![](pic/pic1.jpg)
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![](pic/pic2.jpg)
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## Реализация синхронного обмена
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Код реализации синхронного обмена:
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```cs
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//Файд Program.cs проекта worker-2
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app.MapGet("/Requests/", async () =>
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{
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var httpClient = new HttpClient();
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var secondWorkerResponse = await httpClient.GetStringAsync("http://worker-1:8080/");
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return secondWorkerResponse.ToArray();
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})
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.WithName("GetRequests")
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.WithOpenApi();
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```
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## Реализация gateway при помощи nginx
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Добавил nginx.conf:
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```conf
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server {
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listen 8080;
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listen [::]:8080;
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server_name localhost;
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location / {
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root /usr/share/nginx/html;
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index index.html index.htm;
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}
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location /worker-1/ {
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proxy_pass http://worker-1:8080/;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_set_header X-Forwarded-Prefix /worker-1;
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}
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location /worker-2/ {
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proxy_pass http://worker-2:8080/;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_set_header X-Forwarded-Prefix /worker-2;
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}
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}
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```
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Результат, после выполнения команды `docker compose up`:
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Docker:
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![](pic/pic3.jpg)
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index.html на gateway-1:
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![](pic/pic4.jpg)
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worker-1:
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![](pic/pic5.jpg)
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worker-2:
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![](pic/pic6.jpg)
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