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