Create local subdomain

hosts/index/config/groupware/cells.nix

···
       {
         name = "drive.encrypted.group";
         ssl = "cloudflare";
+
+        useLocal = true;
       }
     ];
   };

hosts/index/config/language/omnipoly.nix

···
       {
         name = "language.encrypted.group";
         ssl = "cloudflare";
+
+        useLocal = true;
       }
     ];
   };

hosts/index/config/media/navidrome.nix

···
       {
         name = "listen.encrypted.group";
         ssl = "cloudflare";
+
+        useLocal = true;
       }
     ];
   };

hosts/index/config/web/forgejo.nix

···
       {
         name = host;
         ssl = "cloudflare";
+
+        useLocal = true;
       }
     ];
   };

hosts/index/config/web/immich.nix

···
       {
         name = host;
         ssl = "cloudflare";
+
+        useLocal = true;
       }
     ];
   };

hosts/index/config/web/miniflux.nix

···
       {
         name = "feed.encrypted.group";
         ssl = "cloudflare";
+
+        useLocal = true;
       }
     ];
   };

hosts/index/config/web/searx.nix

···
   searxModule = import (flakeRoot + /packages/server/web/searx.nix) {
     hosts = [
       {
-        name = "searx.lan";
-        ssl = "internal";
-      }
-      {
         name = host;
         ssl = "cloudflare";
       }

hosts/index/config/web/vaultwarden.nix

···
       {
         name = host;
         ssl = "cloudflare";
+
+        useLocal = true;
       }
     ];
   };

lib/default.nix

···
-{ nix-jetbrains-plugins, pkgs }:
+{ nix-jetbrains-plugins, pkgs, lib }:
 
 {
   customJetbrainsPackage = import ./customJetbrainsPackage.nix {
     inherit nix-jetbrains-plugins pkgs;
   };
 
-  mkProxies = import ./mkProxies.nix;
+  mkProxies = import ./mkProxies.nix { inherit lib; };
   mkUserIcon = import ./mkUserIcon.nix;
 }

lib/mkProxies.nix

···
+{ lib }:
+
 hosts: proxy:
 
 let
···
 
   compressionModules = import (caddyModulesPath + /compression.nix);
   sslModules = import (caddyModulesPath + /ssl.nix);
+
+  insertLocalSubdomain = host:
+    let
+      domainLevels = lib.splitString "." host;
+      totalLevels = (lib.length domainLevels - 2);
+    in
+      lib.concatStringsSep "." (lib.take totalLevels domainLevels ++ [ "local" ] ++ lib.drop totalLevels domainLevels);
 in
 builtins.listToAttrs (
   map (host: {
     name = host.name;
+
     value = {
+      serverAliases = lib.optional (host.useLocal or false) (insertLocalSubdomain host.name);
+
       extraConfig = ''
         ${compressionModules.basic}
         ${sslModules.${host.ssl}}
···
       '';
     };
   }) hosts
-)
+)

lib/mkSystem.nix

···
     inherit system;
   };
 
+  lib = inputs.nixpkgs.lib;
+
   flakeLib = import ./default.nix {
-    inherit pkgs;
+    inherit pkgs lib;
 
     nix-jetbrains-plugins = inputs.nix-jetbrains-plugins;
   };
 in
-inputs.nixpkgs.lib.nixosSystem {
+lib.nixosSystem {
   inherit system;
 
   modules = [
···
     }
   ]
   ++ builtins.attrValues inputs.encode42-packages.nixosModules
-  ++ inputs.nixpkgs.lib.optional isLaptop ../hardware/laptop.nix
+  ++ lib.optional isLaptop ../hardware/laptop.nix
   ++ extraModules;
 
   specialArgs = {