Hosting several sites on the same host

[Stephane Bortzmeyer]

On Wed, Dec 02, 2020 at 11:17:41AM +0100,
 C?me Chilliet <come at chilliet.eu> wrote 
 a message of 23 lines which said:

> I?m lost with how sockets and TLS works, how can I host several
> gemini sites on the same host?

The gemserv server <https://git.sr.ht/~int80h/gemserv/> has virtual
hosts and certs per virtual host so reading its source code may be
useful.