refactor: centralize host and user metadata

modules/features/services/gitea.nix

@@ -1,28 +1,38 @@
+{ config, ... }:
+let
+  metaLib = config.meta.lib;
+in
 {
   flake.modules.nixos.gitea =
-    { config, ... }:
-    {
-      services.gitea = {
-        enable = true;
+    { lib, ... }:
+    lib.mkMerge [
+      {
+        services.gitea = {
+          enable = true;
 
-        settings = {
-          server = {
-            DOMAIN = "git.jelles.net";
-            ROOT_URL = "https://git.jelles.net/";
-            HTTP_PORT = 3001;
-            HTTP_ADDR = "127.0.0.1";
+          settings = {
+            server = {
+              DOMAIN = "git.jelles.net";
+              ROOT_URL = "https://git.jelles.net/";
+              HTTP_PORT = 3001;
+              HTTP_ADDR = "127.0.0.1";
 
-            START_SSH_SERVER = false;
-            SSH_PORT = 22;
+              START_SSH_SERVER = false;
+              SSH_PORT = 22;
+            };
+
+            service.DISABLE_REGISTRATION = true;
           };
-
-          service.DISABLE_REGISTRATION = true;
         };
-      };
+      }
 
-      services.openssh.settings.AllowUsers = [ "gitea" ];
+      {
+        services.openssh.settings.AllowUsers = [ "gitea" ];
+      }
 
-      services.caddy.virtualHosts."git.jelles.net".extraConfig =
-        "reverse_proxy :${toString config.services.gitea.settings.server.HTTP_PORT}";
-    };
+      (metaLib.mkCaddyReverseProxy {
+        domain = "git.jelles.net";
+        port = 3001;
+      })
+    ];
 }