version: '3.7'
services:
  watchtower:
    image: containrrr/watchtower
    command: --monitor-only --cleanup -i 28800 --include-stopped --label-enable --stop-timeout 30s
    #--debug --monitor-only
    environment:
      - TZ=${TZ}
      - WATCHTOWER_NOTIFICATIONS=email
      - WATCHTOWER_NOTIFICATION_EMAIL_FROM=admin@solusar.de
      - WATCHTOWER_NOTIFICATION_EMAIL_TO=gorden@solusar.de
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER=62.75.247.110
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER=admin@solusar.de
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD=#gentoo#
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT=587
    #labels:
    #  com.centurylinklabs.watchtower.enable: "true"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    restart: always      
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints:
          - node.labels.watchtower == true