In the "real world" people like to keep their private source code private, and they run version control servers on their own LAN with tape backups or the like.

In the "real world" people like to keep their private source code private, and they run version control servers on their own LAN with tape backups or the like. I personally set up a remote-access git repository on Windows, with Windows domain authentication (Apache+mod_ldap+mod_authnz_ldap), and it wasn't any more difficult than any other Apache installation; a more sensible platform would require a negligible effort.