diff --git a/flake.nix b/flake.nix
index 62d120ba..8f53c1ff 100644
--- a/flake.nix
+++ b/flake.nix
@@ -363,6 +363,14 @@
           system = "x86_64-linux";
         };
 
+        keycloak = nixosSystem' {
+          modules = [
+            ./lib/lxc-container.nix
+            ./hosts/containers/keycloak
+          ];
+          system = "x86_64-linux";
+        };
+
       };
 
       nixosModule = import ./lib;
diff --git a/hosts/containers/keycloak/default.nix b/hosts/containers/keycloak/default.nix
index bda2e26b..904f511e 100644
--- a/hosts/containers/keycloak/default.nix
+++ b/hosts/containers/keycloak/default.nix
@@ -1,8 +1,9 @@
+{ hostRegistry, config, ... }:
 {
   networking.hostName = "keycloak";
   networking.useNetworkd = true;
   networking.interfaces.eth0.ipv4.addresses = [{
-    address = "172.20.73.59";
+    address = hostRegistry.hosts.${config.networking.hostName}.ip4;
     prefixLength = 26;
   }];
   networking.defaultGateway = "172.20.73.1";