nixos-config/modules/services/xmpp.nix

{
  services.prosody = {
    enable = true;
    user = "root";
    modules = {
      welcome = true;
      websocket = true;
      watchregistrations = true;
    };
    admins = [ "liv@liv.town" ];
    allowRegistration = false;
    ssl.cert = "/var/lib/acme/liv.town/cert.pem";
    ssl.key = "/var/lib/acme/liv.town/key.pem";
    virtualHosts."liv.town" = {
      enabled = true;
      domain = "liv.town";
      ssl.cert = "/var/lib/acme/liv.town/fullchain.pem";
      ssl.key = "/var/lib/acme/liv.town/key.pem";
    };
    muc = [
      {
        domain = "conference.liv.town";
      }
    ];
    uploadHttp = {
      domain = "upload.liv.town";
    };
  };
}