I'm not using it personally anymore. And of course you should have automatic backups of notes.

Nextcloud notes (the separate app) allows you to take notes even when offline.

There might be a conflict due to the fact that docker itself usually uses the 172.17.0.0/16 subnet for the default bridge network

Although I didn't place my vote on it I'm curious why you think so? This survey is not about self-hosting, and it's the biggest community chat app in the world.

Manyfold is great for this usecase.

Yeah that would be the best way to solve this problem.

Which one of those. You pick one when adding something new to monitor. Actually just send a screenshot of the uptime-kuma settings of one of the services that are giving you problems.

Sorry I'm a bit confused. What kind of tracker are you using in uptime-kuma and what address is it pointing to?

If you ping the domain from inside the container, does it succeed?

There is a flatpak but it's not published to flathub https://github.com/SoftFever/OrcaSlicer/tree/main/flatpak