services:
  worker:
    image: python:3.11-slim
    container_name: email-worker-${WORKER_DOMAIN}
    restart: unless-stopped
    network_mode: host  # Zugriff auf lokales Netzwerk für Postfix
    
    # Worker-Code mounten
    volumes:
      - ./worker.py:/app/worker.py:ro
    
    working_dir: /app
    
    # Python Dependencies installieren und Worker starten
    command: >
      sh -c "apt-get update && 
            apt-get install -y --no-install-recommends procps && 
            rm -rf /var/lib/apt/lists/* &&
            pip install --no-cache-dir boto3 &&
            python -u worker.py"
    
    environment:
      # ⚠️ WICHTIG: WORKER_DOMAIN muss von außen gesetzt werden!
      - WORKER_DOMAIN=${WORKER_DOMAIN}
      
      # AWS Credentials
      - AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID}
      - AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY}
      
      # Worker Settings
      - POLL_INTERVAL=${POLL_INTERVAL:-20}
      - MAX_MESSAGES=${MAX_MESSAGES:-10}
      - VISIBILITY_TIMEOUT=${VISIBILITY_TIMEOUT:-300}
      
      # SMTP Configuration
      - SMTP_HOST=${SMTP_HOST:-localhost}
      - SMTP_PORT=${SMTP_PORT:-25}
      - SMTP_USE_TLS=${SMTP_USE_TLS:-false}
      - SMTP_USER=${SMTP_USER:-}
      - SMTP_PASS=${SMTP_PASS:-}
    
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "5"
    
    healthcheck:
      test: ["CMD", "pgrep", "-f", "worker.py"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 10s