Uptime-Kuma [1] with ntfy [2]. Most of my services expose HTTP so I just have Uptime-Kuma monitor that. But if you have something that is not exposed to the pub

Uptime-Kuma [1] with ntfy [2]. Most of my services expose HTTP so I just have Uptime-Kuma monitor that. But if you have something that is not exposed to the public you can still use a "push" type monitor, and in a cron job on your server(s), send heartbeat to it when everything is working. [1] https://github.com/louislam/uptime-kuma https://github.com/louislam/uptime-kuma [2] https://ntfy.sh/ https://ntfy.sh/