version: '3.8'

# ============================================
# Staging Environment Configuration
# ============================================

services:
  # Frontend service
  frontend:
    image: ${REGISTRY:-ghcr.io}/${FRONTEND_IMAGE:-piano-tutor/frontend}:${VERSION:-latest}
    container_name: piano-tutor-frontend-staging
    restart: unless-stopped
    ports:
      - "3000:80"
    environment:
      - NODE_ENV=staging
      - VITE_API_URL=https://api-staging.piano-tutor.com
      - VITE_WS_URL=wss://api-staging.piano-tutor.com
    networks:
      - piano-tutor-network
    depends_on:
      - backend
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost/health"]
      interval: 30s
      timeout: 3s
      retries: 3
      start_period: 10s
    labels:
      - "com.piano-tutor.environment=staging"
      - "com.piano-tutor.service=frontend"

  # Backend service
  backend:
    image: ${REGISTRY:-ghcr.io}/${BACKEND_IMAGE:-piano-tutor/backend}:${VERSION:-latest}
    container_name: piano-tutor-backend-staging
    restart: unless-stopped
    ports:
      - "8000:8000"
    environment:
      - ENVIRONMENT=staging
      - DATABASE_URL=${DATABASE_URL}
      - REDIS_URL=${REDIS_URL:-redis://redis:6379/0}
      - JWT_SECRET=${JWT_SECRET}
      - CORS_ORIGINS=https://staging.piano-tutor.com
      - LOG_LEVEL=debug
    networks:
      - piano-tutor-network
    depends_on:
      - postgres
      - redis
    volumes:
      - ./backend/uploads:/app/uploads
      - ./backend/logs:/app/logs
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 30s
      timeout: 3s
      retries: 3
      start_period: 20s
    labels:
      - "com.piano-tutor.environment=staging"
      - "com.piano-tutor.service=backend"

  # PostgreSQL database
  postgres:
    image: postgres:15-alpine
    container_name: piano-tutor-db-staging
    restart: unless-stopped
    environment:
      - POSTGRES_DB=${POSTGRES_DB:-piano_tutor_staging}
      - POSTGRES_USER=${POSTGRES_USER:-piano_tutor}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
    volumes:
      - postgres-data:/var/lib/postgresql/data
      - ./backend/migrations:/docker-entrypoint-initdb.d
    networks:
      - piano-tutor-network
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-piano_tutor}"]
      interval: 10s
      timeout: 5s
      retries: 5

  # Redis cache
  redis:
    image: redis:7-alpine
    container_name: piano-tutor-redis-staging
    restart: unless-stopped
    command: redis-server --appendonly yes --maxmemory 512mb --maxmemory-policy allkeys-lru
    volumes:
      - redis-data:/data
    networks:
      - piano-tutor-network
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 3s
      retries: 5

  # Celery worker for async tasks
  celery-worker:
    image: ${REGISTRY:-ghcr.io}/${BACKEND_IMAGE:-piano-tutor/backend}:${VERSION:-latest}
    container_name: piano-tutor-celery-staging
    restart: unless-stopped
    command: celery -A app.celery.tasks worker --loglevel=info --concurrency=2
    environment:
      - ENVIRONMENT=staging
      - DATABASE_URL=${DATABASE_URL}
      - REDIS_URL=${REDIS_URL:-redis://redis:6379/0}
      - CELERY_BROKER_URL=${REDIS_URL:-redis://redis:6379/0}
      - CELERY_RESULT_BACKEND=${REDIS_URL:-redis://redis:6379/0}
    networks:
      - piano-tutor-network
    depends_on:
      - postgres
      - redis
    volumes:
      - ./backend/uploads:/app/uploads
      - ./backend/logs:/app/logs

networks:
  piano-tutor-network:
    driver: bridge

volumes:
  postgres-data:
    driver: local
  redis-data:
    driver: local