{ pkgs, ... }: let clientConfig."m.homeserver".base_url = "https://matrix.federez.net"; in { services.nginx.virtualHosts."element.federez.net" = { enableACME = true; forceSSL = true; root = pkgs.element-web.override { conf = { default_server_config = clientConfig; # see `clientConfig` from the snippet above. }; }; }; }