services:
  # Redis message broker for Celery
  redis:
    image: redis:7-alpine
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    restart: unless-stopped

  # PostgreSQL database (production-ready)
  postgres:
    image: postgres:16-alpine
    environment:
      POSTGRES_USER: ${DB_USER:-imagerepo}
      POSTGRES_PASSWORD: ${DB_PASS:-postgres}
      POSTGRES_DB: ${DB_NAME:-imagerepo}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-imagerepo}"]
      interval: 10s
      timeout: 5s
      retries: 5
    restart: unless-stopped

  # Flask web application
  web:
    build: .
    ports:
      - "5000:5000"
    environment:
      - DB_TYPE=postgresql
      - DB_USER=${DB_USER:-imagerepo}
      - DB_PASS=${DB_PASS:-postgres}
      - DB_HOST=postgres
      - DB_PORT=5432
      - DB_NAME=${DB_NAME:-imagerepo}
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
    volumes:
      - ./imagerepo/db/:/db  # Legacy SQLite path (not used with PostgreSQL)
      - ./imagerepo/images:/images
      - ./import:/import
      - ./migrations:/app/migrations  # For dev
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    restart: unless-stopped

  # Celery worker for processing import tasks
  celery-worker:
    build: .
    command: celery -A app.celery_app:celery worker --loglevel=info -Q scan,import,thumbnail,sidecar,default --concurrency=${CELERY_WORKER_CONCURRENCY:-2}
    environment:
      - DB_TYPE=postgresql
      - DB_USER=${DB_USER:-imagerepo}
      - DB_PASS=${DB_PASS:-postgres}
      - DB_HOST=postgres
      - DB_PORT=5432
      - DB_NAME=${DB_NAME:-imagerepo}
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
      - CELERY_WORKER_CONCURRENCY=${CELERY_WORKER_CONCURRENCY:-2}
    volumes:
      - ./imagerepo/images:/images
      - ./import:/import
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    restart: unless-stopped

  # Celery Beat scheduler for periodic tasks
  celery-beat:
    build: .
    command: celery -A app.celery_app:celery beat --loglevel=info
    environment:
      - DB_TYPE=postgresql
      - DB_USER=${DB_USER:-imagerepo}
      - DB_PASS=${DB_PASS:-postgres}
      - DB_HOST=postgres
      - DB_PORT=5432
      - DB_NAME=${DB_NAME:-imagerepo}
      - CELERY_BROKER_URL=redis://redis:6379/0
      - CELERY_RESULT_BACKEND=redis://redis:6379/0
      - IMPORT_EVERY_SECONDS=${IMPORT_EVERY_SECONDS:-28800}
    depends_on:
      - redis
      - celery-worker
    restart: unless-stopped

volumes:
  redis_data:
  postgres_data: