---
version: '3.9'

services:
    watchtower:
        image: containrrr/watchtower
        restart: unless-stopped
        volumes:
            - /var/run/docker.sock:/var/run/docker.sock
            - /etc/timezone:/etc/timezone:ro
        env_file:
            - /srv/secrets/watchtower/docker-compose.env # for: WATCHTOWER_NOTIFICATION_URL (format: "telegram://<API_KEY>@telegram?chats=<CHAT_ID>")
            # chat id: https://api.telegram.org/botXXX:YYYYY/getUpdates (replace the XXX: YYYYY with your BOT HTTP API Token
        environment:
            WATCHTOWER_CLEANUP: 1
            WATCHTOWER_INCLUDE_RESTARTING: 1
            WATCHTOWER_NOTIFICATIONS: shoutrrr
            WATCHTOWER_NOTIFICATIONS_HOSTNAME: golem.linux.it
            # WATCHTOWER_NOTIFICATION_TEMPLATE: "{{range .}}{{.Time.Format \"2006-01-02 15:04:05\"}} ({{.Level}}): {{.Message}}{{println}}{{end}}"