services:
  watchtower:
    image: containrrr/watchtower
    restart: always
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - /etc/timezone:/etc/timezone:ro
    environment:
      - WATCHTOWER_CLEANUP=true
      - WATCHTOWER_INCLUDE_RESTARTING=true
      - WATCHTOWER_ROLLING_RESTART=true
      - WATCHTOWER_TIMEOUT=30s
      - WATCHTOWER_SCHEDULE=0 30 3 * * *
      - WATCHTOWER_NOTIFICATIONS=email
      - WATCHTOWER_NOTIFICATION_EMAIL_FROM=
      - WATCHTOWER_NOTIFICATION_EMAIL_TO=
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER=
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER=
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD=
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT=
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_TLS_SKIP_VERIFY=true
      - WATCHTOWER_LABEL_ENABLE=true