{ appConfig, lib, ... }: lib.mkMerge [
  {
    services.nginx.enable = true;
    services.nginx.virtualHosts.${appConfig.domain}.locations."/".root = appConfig.root;
  }
  (lib.mkIf (appConfig.cors != null) {
    services.nginx.virtualHosts.${appConfig.domain}.locations."/".extraConfig = ''
      add_header 'Access-Control-Allow-Origin' '${appConfig.cors}';
    '';
  })
]