services:
  db:
    image: postgres:16-alpine
    restart: unless-stopped
    env_file: .env
    volumes:
      - postgres_data:/var/lib/postgresql/data
    networks:
      - backend_net
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $POSTGRES_USER -d $POSTGRES_DB"]
      interval: 5s
      timeout: 5s
      retries: 5
    deploy:
      resources:
        limits:
          memory: 512M
          cpus: "1.0"

  backend:
    build: ./backend
    restart: unless-stopped
    env_file: .env
    depends_on:
      db:
        condition: service_healthy
    networks:
      - backend_net
      - frontend_net
    healthcheck:
      test: ["CMD-SHELL", "python -c \"import urllib.request; urllib.request.urlopen('http://localhost:8000/health')\""]
      interval: 10s
      timeout: 5s
      retries: 3
    deploy:
      resources:
        limits:
          memory: 512M
          cpus: "1.0"

  frontend:
    build: ./frontend
    restart: unless-stopped
    ports:
      - "80:8080"
    depends_on:
      backend:
        condition: service_healthy
    networks:
      - frontend_net
    healthcheck:
      test: ["CMD", "wget", "--spider", "--quiet", "http://localhost:8080/"]
      interval: 15s
      timeout: 5s
      retries: 3
    deploy:
      resources:
        limits:
          memory: 128M
          cpus: "0.5"

volumes:
  postgres_data:

networks:
  backend_net:
    driver: bridge
  frontend_net:
    driver: bridge