You should take a look at https://www.youtube.com/channel/UCp3yVOm6A55nx65STpm3tXQ he does have a serie about doing something like this and go in depth in it

Thank you !

Can you link the wallpaper ? :-)

In a cluster? I’m actually thinking about using Nomad between my three sff pc that I use as servers, but I have no clue as to how to sync storage between them (container side I mean, with nextcloud data for example)?