Now, on the other hand, YouTube / Reddit, or worse, Facebook...
https://matrix.org/docs/projects/server/conduit
In short everything has to be continuous, otherwise you'll stall and die. Now go buy some CI/CD from the shop.
[1] wikipedia
About CNAME, I think this is what you're looking for:
https://arxiv.org/abs/2102.09301
More about CNAME:
https://news.ycombinator.com/item?id=26347110
https://github.com/vstakhov/libucl