https://en.m.wikipedia.org/wiki/Betteridge's_law_of_headlines

No.

Always remember: RAID is not a backup.

Having only one backup and the server dying means you now have no backup, therefore the 3-2-1 scheme for backups is worth looking into.

That depends a lot on what you’re hosting resp. if the mobile apps are using Google’s/Apple’s messaging/notification services.

Not sure if it makes things easier than your current setup, but take a look at Mediathekwebview.de

You can use -f /path/to/compose.yaml to call it from wherever you like.

The official NC docker container uses the “www-data” internally to run the services. This will get important if you ever want to run tasks via “docker compose exec”.

Have a look at kimai.org

The have a self-hosted option and apps (didn’t test those though).

Which means it’s likely a US-focussed scenario.

everyone

Now that’s what I’d call a stretch…

Because most of them are based on very few languages, e.g. Latin.