> plus I can easily manage multiple machines

> I prefer to bootstrap them from I laptop with a single command

Nix is great at that kind of stuff

Nix will install me clickhouse on 2 devices at once, create restricted networking between 6 devices?

	▲	wrxd 2 hours ago \| parent \| next [-]
		It can. For instance I have a flake where I define all of my machines, share some confit between them and have clearly defined customisation points. Form that configuration I can build everything on one of my machines and push the builds to the others. Or each machine can do its own builds. Have a look at projects like NixOps or Colmena to see some more automation on top of standard builds targeting other machines.
	▲	clhodapp 4 hours ago \| parent \| prev [-]
		Depending on your specific requirements, yes. And quite elegantly. There are several ways to do this. For one, see: https://github.com/nix-community/colmena