services:
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    ports:
      - "3000:3000"
    env_file:
      - path: ./backend/.env
        required: false
    environment:
      PORT: "3000"
      RUST_LOG: info
      # SQLite file lives inside the container (ephemeral — fine for previews).
      # For Postgres instead: set DATABASE_URL=postgres://postgres:postgres@db:5432/app
      # and uncomment the `db` service + depends_on below.
      DATABASE_URL: "sqlite://./dev.db?mode=rwc"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://127.0.0.1:3000/api/health"]
      interval: 10s
      timeout: 3s
      retries: 5
    # Uncomment for local Postgres parity (see knowledge/database.md §5):
    # depends_on:
    #   db:
    #     condition: service_healthy

  # Local Postgres (optional — uncomment with the backend depends_on above):
  # db:
  #   image: postgres:16-alpine
  #   environment:
  #     POSTGRES_USER: postgres
  #     POSTGRES_PASSWORD: postgres
  #     POSTGRES_DB: app
  #   volumes:
  #     - pgdata:/var/lib/postgresql/data
  #   healthcheck:
  #     test: ["CMD-SHELL", "pg_isready -U postgres -d app"]
  #     interval: 5s
  #     timeout: 3s
  #     retries: 10

  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile.vercel
    ports:
      - "8080:80"
    depends_on:
      backend:
        condition: service_healthy

# Uncomment with the `db` service above:
# volumes:
#   pgdata: