Revert changes to dafoe (tried to generalize)

This reverts commit 240879c909.

dafoe/services/default.nix

@@ -11,8 +11,5 @@
         ./nextcloud.nix
         ./domains.nix
     ];
-    services.domains = {
-        enable = true;
-        domain = "vatthauer.xyz";
-    };
+    services.domains.enable = true;
 }

dafoe/services/domains.nix

@@ -13,50 +13,52 @@ in
         description = ''
           Domain of the server.
         '';
-	      type = types.str;
-        default = "";
+	      type = types.nullOr types.str;
       };
       git = mkOption {
         description = ''
-          url of the git instance.
+          Subdomain of the git instance.
         '';
 	      type = types.nullOr types.str;
-        default = "git.${domain}";
+        default = "git";
       };
       vaultwarden = mkOption {
         description = ''
-          url of the vaultwarden instance
+          Subdomain of the vaultwarden instance
         '';
         default = "vaultwarden";
 	      type = types.nullOr types.str;
       };
       video = mkOption {
         description = ''
-          url of the video instance
+          Subdomain of the video instance
         '';
         default = "video";
 	      type = types.nullOr types.str;
       };
       www = mkOption {
         description = ''
-          url of the www instance
+          Subdomain of the www instance
         '';
         default = "www";
 	      type = types.nullOr types.str;
       };
       files = mkOption {
         description = ''
-          url of the files instance
+          Subdomain of the files instance
         '';
         default = "files";
 	      type = types.nullOr types.str;
       };
       cloud = mkOption {
         description = ''
-          url of the cloud instance
+          Subdomain of the cloud instance
         '';
         default = "cloud";
 	      type = types.nullOr types.str;
       };
     };
+    config = mkIf cfg.enable {
+      gitURL = "${cfg.git}.${cfg.domain}";
+    };
   }

dafoe/services/nginx.nix

@@ -10,7 +10,7 @@
 
   services.nginx.virtualHosts = let domain = "vatthauer.xyz"; in
   {
-    "config.domains.git" = {
+    "config.domains.gitURL" = {
       enableACME = true;
       forceSSL = true;
       locations."/" = {