once you run the config on the binary, it specifies the location /var/foo/bar/whatever
where your installation lives.
in the case of having it be accessible to others, that would have to be either your IP and a dyndns, type thing - OR a FQDN with an A record pointing to your dyndns as the server, OR just a racked webhosting (shared/vps/dedicated) somewhere…
and matts right the instructions are good, read em if you havent.