version: "3"
services:
  watchtower:
    restart: always
    container_name: watchtower
    image: containrrr/watchtower
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    environment:
      TZ: Europe/Berlin
      WATCHTOWER_CLEANUP: true
      WATCHTOWER_INCLUDE_RESTARTING: true
      WATCHTOWER_INCLUDE_STOPPED: true
      WATCHTOWER_REVIVE_STOPPED: false
      WATCHTOWER_POLL_INTERVAL: 86400 # (24 hours)
      WATCHTOWER_LABEL_ENABLE: true
      WATCHTOWER_NOTIFICATIONS: email
      WATCHTOWER_NOTIFICATION_EMAIL_FROM: info@mgrote.net
      WATCHTOWER_NOTIFICATION_EMAIL_TO: michael.grote@posteo.de
      WATCHTOWER_NOTIFICATION_EMAIL_SERVER: smtp.strato.de
      WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT: 587
      WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER: info@mgrote.net
      WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD: {{ lookup('keepass', 'postfix_absender_passwort', 'password') }}
      WATCHTOWER_NOTIFICATION_EMAIL_DELAY: 2
      WATCHTOWER_NO_STARTUP_MESSAGE: true
    labels:
      - com.centurylinklabs.watchtower.enable=true

# monitore diesen Container nur
#   labels:
#     - com.centurylinklabs.watchtower.monitor-only=true
# dieser container hängt von x ab
#     - com.centurylinklabs.watchtower.depends-on=mf-db
# aktualisiere container
#     - com.centurylinklabs.watchtower.enable=true