pull out some extra modules

modules/code.nix

@@ -0,0 +1,31 @@
+{ config, lib, pkgs, ... }:
+
+{
+  services.postgresql = {
+    enable = true;
+    ensureDatabases = [ "gitea" ];
+    ensureUsers = [{
+      name = "gitea";
+      ensureDBOwnership = true;
+    }];
+  };
+
+  services.gitea = {
+    enable = true;
+    appName = "Lilac's Code";
+    database = {
+      type = "postgres";
+      host = "/run/postgresql";
+      name = "gitea";
+      user = "gitea";
+    };
+    settings.service.DISABLE_REGISTRATION = true;
+  };
+
+  services.caddy = {
+    enable = true;
+    virtualHosts."code.grasswren.net".extraConfig = ''
+      reverse_proxy localhost:3000
+    '';
+  };
+}