add nginx

modules/nginx.nix

@@ -0,0 +1,17 @@
+{ lib, config, ... }:
+
+let
+  cfg = config.permafrost.nginx;
+in
+{
+  options.permafrost.nginx = {
+    enable = lib.mkEnableOption "nginx nixos module";
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.nginx.enable = true;
+    security.acme.acceptTerms = true;
+
+    networking.firewall.allowedTCPPorts = [ 80 443 ];
+  };
+}

modules/nyazoom.nix

@@ -21,6 +21,10 @@ in
       wants = [ "network.target" ];
     };
 
-    networking.firewall.allowedTCPPorts = [ 3000 ];
+    permafrost.nginx.enable = lib.mkDefault true;
+    services.nginx.virtualHosts."nyazoom.zynh.me" = {
+      serverName = "nyazoom.zynh.me";
+      locations."/".proxyPass = "http://localhost:3000";
+    };
   };
 }