services:
  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-subfeed}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-subfeed}
      POSTGRES_DB: ${POSTGRES_DB:-subfeed}
    volumes:
      - pgdata:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-subfeed} -d ${POSTGRES_DB:-subfeed}"]
      interval: 5s
      timeout: 5s
      retries: 12
    restart: unless-stopped

  api:
    build:
      context: ./backend
    env_file: .env
    environment:
      DATABASE_URL: postgresql+psycopg://${POSTGRES_USER:-subfeed}:${POSTGRES_PASSWORD:-subfeed}@db:5432/${POSTGRES_DB:-subfeed}
    depends_on:
      db:
        condition: service_healthy
    ports:
      - "${APP_PORT:-8080}:8000"
    healthcheck:
      test: ["CMD", "python", "-c", "import urllib.request; exit(0 if urllib.request.urlopen('http://localhost:8000/healthz').status == 200 else 1)"]
      interval: 15s
      timeout: 5s
      retries: 5
      start_period: 25s
    restart: unless-stopped

volumes:
  pgdata: