services:

  DataBase:
      image: postgres:latest
      container_name: DataBase
      ports:
        - "5432:5432"     
#Так никто не делает в реальных кейсах, я просто даун, не умею работать с секретами (опция secrets)
      environment: 
        POSTGRES_USER: user
        POSTGRES_PASSWORD: password
        POSTGRES_DB: WebSite
      volumes:
        - /home/git/myprojects/database:/var/lib/postgresql/data
      cpus: '0.15'  
      mem_limit: 256M  

      healthcheck:
        test: ["CMD-SHELL", "pg_isready -U admin -WebSite"]
        interval: 5s
        timeout: 5s
        retries: 5    
  
  webserver: 
      image: nginx:latest
      container_name: WebServer
      ports:
        - "80:80"
        - "443:443"
      volumes: 
        - /home/git/myprojects/WorkServer/frontend:/usr/share/nginx/html
        - /home/git/myprojects/WorkServer/conf:/etc/nginx/sites-available

      depends_on:
        - DataBase 
        - backend  
      cpus: '0.15'  
      mem_limit: 256M  
  backend:
      image: python:3.9
      container_name: backend_part
      ports:
        - "5000:5000"
      volumes:
        - /home/git/myprojects/WorkServer/backend:/media/backend
        - /home/git/myprojects/WorkServer/frontend:/media/frontend
      working_dir: /media/backend
      command: >
        sh -c "pip install -r requirements.txt && python server.py"
      cpus: '0.35'  
      mem_limit: 256M