[MSkog]

If you don't need/want a UI then Dokku is another option. It is more mature with things like built-in backups for the database. I've been a happy user for many years now. Coolify seems nice as well though.

https://dokku.com/

[schemescape]

Dokku was my Plan A :)

[rcarmo]

I you want something even lighter, have a look at https://github.com/piku