Fix gatekeeper missing the key

machines/goldman/configuration.nix

@@ -6,6 +6,7 @@ in
 {
   networking.hostName = "goldman"; # Define your hostname.
   nixpkgs.hostPlatform = { system = "aarch64-linux"; };
+  
   imports =
     [ 
       inputs.gatekeeper.nixosModules.gatekeeper
@@ -44,6 +45,13 @@ in
   services = {
     gatekeeper = {
       enable = true;
+      envFile = pkgs.writeText "env" ''
+        MIFARE_APP_MASTER_KEY="7b195adb892073c9e34ebe7e0ca28b2b"
+        MIFARE_ACL_READ_BASE_KEY="741a50f2b189cc9f151e0600f50a6e1a"
+        MIFARE_ACL_WRITE_BASE_KEY="f1aa99f81cca268de98d422ee0ccb65c"
+        SECRET_KEY="8b14d0b447bff7efa24d5019cc59a999786e31f6f865173bbd642bf18de5ad85"
+      '';
+      mockGpio = "False";
     };
   };
 
@@ -52,7 +60,9 @@ in
     wget
     git
     pciutils
+    gpio-utils
     nix-tree
+    lgpio
   ];
 
   services.avahi = {