hello
if I were you, I would install yunohost on another machine (old pc, VM, raspberry PI, …) and I would mount an NFS share provided by your nas on /home
With this config, all your data would be safe on your NAS and you would be able to install several apps on your yunohost server
Hum…
That’s somehow a good idea, I’d love to get anyway nextcloud on my NAS, as this OS5 is quite bad for my use.
But I do have a server on my raspberry Pi4B. My purpose would be to make double the data of peertube to get two time the bandwidth. But for that if I succed to get docker running, I can only get peertube standalone next to nextcloud.
yunohost backups are stored on /home/yunohost.backup
on your yunohost server, you could mount an NFS share from your nas to this folder: the backups would be stored on your nas