version: "3.9" services: watchtower: container_name: watchtower hostname: watchtower environment: #- WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT=587 #- WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER=watchtower@example.com #- WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD=MyStrongSmtpLoginPassword #- WATCHTOWER_NOTIFICATION_EMAIL_FROM=watchtower@example.com #- WATCHTOWER_NOTIFICATION_EMAIL_TO=john.doe@example.com #- WATCHTOWER_NOTIFICATION_EMAIL_SERVER=smtp.google.com #- WATCHTOWER_NOTIFICATIONS=email - WATCHTOWER_SCHEDULE=0 0 6 * * * # see https://crontab.guru/ - WATCHTOWER_CLEANUP=true # remove unused images afterwards image: containrrr/watchtower:latest labels: com.centurylinklabs.watchtower: true restart: always network_mode: "host" volumes: - /etc/localtime:/etc/localtime:ro - /var/run/docker.sock:/var/run/docker.sock:ro working_dir: /