version: "3"
services:
  watchtower:
    container_name: watchtower
    image: containrrr/watchtower
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - /etc/timezone:/etc/timezone:ro
      - /etc/localtime:/etc/localtime:ro
    environment:
      - WATCHTOWER_NOTIFICATION_URL=gotify://gotify.local:80/AqM0qG78r90ohBf?disabletls=yes
      - WATCHTOWER_CLEANUP=true
      - WATCHTOWER_REMOVE_VOLUMES=true
      - WATCHTOWER_INCLUDE_RESTARTING=true
      - WATCHTOWER_POLL_INTERVAL=7200
      
networks:
 default:
   name: "ubuntu-server"
   external: true