services:
  watchtower:
    image: containrrr/watchtower:latest
    container_name: watchtower
    labels:
      - "com.centurylinklabs.watchtower.enable=true"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    environment:
      - TZ=Europe/Prague
      - DOCKER_API_VERSION=1.44         # <<< DŮLEŽITÉ – přidáno
      - WATCHTOWER_MONITOR_ONLY=false
      - WATCHTOWER_SCHEDULE=0 0 8 * * *
      - WATCHTOWER_CLEANUP=true
      - WATCHTOWER_NOTIFICATIONS=email
      - WATCHTOWER_NOTIFICATION_EMAIL_FROM=admin@example.com
      - WATCHTOWER_NOTIFICATION_EMAIL_TO=admin@example.com
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER=smtp.example.com
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD=CHANGE_ME
      - WATCHTOWER_NOTIFICATION_EMAIL_SUBJECTTAG=Server Container Updates
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER=admin@example.com
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT=465
      - WATCHTOWER_LABEL_ENABLE=true
    restart: unless-stopped