diff --git a/flake.nix b/flake.nix
index 468420c..3fb152e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,6 +9,7 @@
     };
     microvm.url = "github:astro/microvm.nix";
     microvm.inputs.nixpkgs.follows = "nixpkgs";
+    authentik-nix.url = "github:nix-community/authentik-nix";
   };
 
   outputs = inputs@{ self, nixpkgs, home-manager, microvm, ... }:
@@ -16,6 +17,7 @@
       hostName   = "nixmox-perseverance";
       system     = "x86_64-linux";
       username   = "tbarnouin";
+      proxy_host = "192.168.1.40";
     in
     {
       nixosConfigurations = {
@@ -67,6 +69,7 @@
             inherit inputs;
             inherit username;
             inherit hostName;
+            inherit proxy_host;
             inherit system;
           };
         };
@@ -83,7 +86,7 @@
               services.vm = {
                 enable   = true;
                 hostname = "nginx";
-                vm_ip    = "192.168.1.40";
+                vm_ip    = "${proxy_host}";
                 macAddr  = "02:00:00:00:00:40";
               };
             }