You cannot make restrictions to the distribution of the source code under the GPL

I have chipped a normal and lite switch, the soldering itself is not the worst but seeing what you’re doing is hard.
Plus on the switch lite, take great care about the battery connector. It’s super fragile and can pull out when disconnecting it

Not if you run a wildcard CNAME for your sub domains right ?
Like I have *.mydomain.com point to my server, and there I have a different reverse proxy depending on the domain.