services:
  database:
    image: postgres:16
    hostname: database
    restart: unless-stopped
    environment:
      POSTGRES_DB: ${POSTGRES_DATABASE:-sarlink}
      POSTGRES_USER: ${POSTGRES_USER:-sarlink}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-changeme}
    volumes:
      - pgdata:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER:-sarlink}"]
      interval: 5s
      timeout: 3s
      retries: 10

  backend:
    build:
      context: ../../
      dockerfile: .build/prod/api.Dockerfile
    hostname: backend
    image: git.shihaam.dev/sarlink/sarlinkportal/backend
    restart: unless-stopped
    env_file:
      - ../../backend/.env
    volumes:
      - media:/app/media
    depends_on:
      database:
        condition: service_healthy

  # Background tasks: same image, procrastinate worker instead of gunicorn.
  worker:
    image: git.shihaam.dev/sarlink/sarlinkportal/backend
    restart: unless-stopped
    command: python manage.py procrastinate worker
    env_file:
      - ../../backend/.env
    volumes:
      - media:/app/media
    depends_on:
      - backend

  # The only published container: static SPA + reverse proxy to the API.
  web:
    build:
      context: ../../
      dockerfile: .build/prod/web.Dockerfile
    hostname: web
    image: git.shihaam.dev/sarlink/sarlinkportal/web
    restart: unless-stopped
    ports:
      - "8080:80"
    volumes:
      - media:/app/media:ro
    depends_on:
      - backend

volumes:
  pgdata:
  media: