preliminary foundry config

modules/foundry.nix

@@ -0,0 +1,34 @@
+{ lib, config, ... }:
+
+let
+  cfg = config.permafrost.foundry;
+in
+{
+  options.permafrost.foundry = {
+    enable = lib.mkEnableOption "foundry nixos module";
+  };
+
+  config = lib.mkIf cfg.enable {
+    permafrost.nginx.enable = lib.mkDefault true;
+    services.nginx.virtualHosts."scarlet.zynh.me" = {
+      addSSL = true;
+      serverName = "scarlet.zynh.me";
+      locations."/" = {
+        extraConfig = /* nginx */ ''
+          # Set proxy headers
+          proxy_set_header Host              $host;
+          proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
+          proxy_set_header X-Forwarded-Proto $scheme;
+
+          # These are important to support WebSockets
+          proxy_set_header Upgrade    $http_upgrade;
+          proxy_set_header Connection "Upgrade";
+
+          # Make sure to set your Foundry VTT port number
+          proxy_pass http://localhost:30000;
+        '';
+        proxyPass = "http://localhost:30000";
+      };
+    };
+  };
+}