services:
  # ── Backend: Flask API ──────────────────────────────────
  backend:
    build:
      context: .
      dockerfile: docker/Dockerfile.backend
    env_file:
      - path: .env
        required: false
    environment:
      CHATAPI_ADMIN_USERNAME: ${CHATAPI_ADMIN_USERNAME:-admin}
      CHATAPI_ADMIN_PASSWORD: ${CHATAPI_ADMIN_PASSWORD:-change-me}
      CHATAPI_HOST: 0.0.0.0
      CHATAPI_PORT: 5000
      CHATAPI_DB_PATH: /app/data/chatapi.sqlite3
      CHATAPI_DATA_DIR: /app/data
      CHATAPI_CORS_ORIGINS: ${CHATAPI_CORS_ORIGINS:-http://localhost}
    volumes:
      - chatapi_data:/app/data
    restart: unless-stopped
    networks:
      - chatapi-net
    healthcheck:
      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:5000/api/health"]
      interval: 15s
      timeout: 5s
      retries: 3
      start_period: 10s

  # ── Nginx: Frontend static files + API reverse proxy ───
  nginx:
    build:
      context: .
      dockerfile: docker/Dockerfile.nginx
    ports:
      - "${NGINX_PORT:-80}:80"
    depends_on:
      backend:
        condition: service_healthy
    restart: unless-stopped
    networks:
      - chatapi-net

volumes:
  chatapi_data:

networks:
  chatapi-net: