There are two distinct, commonly used definitions of self-hosted:
Right now it's uploads/<item>/<username slug> with the username slug being prefixed with remote_ if remote user.
That might cause an issue because foo@instance1 and foo@instance will have the same folder name.
Solution: uses the user flake id instead of slug for everybody, but keep the remote_ part
Instalator powinien postawić bazę i skonfigurować ją tak, aby była dostosowana do ilości dostępnej na serwerze pamięci.