diff --git a/modules/foundry.nix b/modules/foundry.nix
index e245ea2..61a3528 100644
--- a/modules/foundry.nix
+++ b/modules/foundry.nix
@@ -1,4 +1,4 @@
-{ lib, config, ... }:
+{ lib, config, pkgs, ... }:
 
 let
   cfg = config.permafrost.foundry;
@@ -13,6 +13,32 @@ in
     {
       permafrost.nginx.enable = lib.mkDefault true;
     }
+    {
+      users.groups.foundry = { };
+      users.users.foundry = {
+        group = "foundry";
+        isSystemUser = true;
+        description = "foundryvtt user";
+      };
+
+      systemd.services.foundry =
+        let
+          mainPath = "/home/foundry/foundryvtt/resources/app/main.js";
+          dataPath = "/home/foundry/foundrydata";
+        in
+        {
+          description = "foundryvtt service";
+          enable = true;
+          after = [ "network.target" ];
+          wantedBy = [ "multi-user.target" ];
+          serviceConfig = {
+            User = "foundry";
+            Restart = "always";
+            WorkingDirectory = "/home/foundry/foundryvtt";
+            ExecStart = "${lib.getExe pkgs.nodejs_20} ${mainPath} --dataPath=${dataPath}";
+          };
+        };
+    }
     {
       services.nginx.virtualHosts."scarlet.zynh.me" = {
         serverName = "scarlet.zynh.me";