[Л/Р 3] Островская Софья #70

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

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