diff --git a/flake.nix b/flake.nix
index c8d363f..4d44a5a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,7 +14,7 @@
     { self, nixpkgs, ... }@inputs:
     let
       outputs = self.outputs;
-      utils = import ./utils.nix { inherit nixpkgs inputs outputs; };
+      utils = import ./utils.nix;
 
       homelabConfig = import ./config.nix;
       roles = import ./roles { inherit utils; };
@@ -22,21 +22,38 @@
         inherit homelabConfig roles;
         lib = nixpkgs.lib;
       };
+      pkgs = nixpkgs.legacyPackages.x86_64-linux;
     in
     {
-      nixosConfigurations =
-        (nixpkgs.lib.mapAttrs (
+      devShells.x86_64-linux.default = pkgs.mkShell {
+        buildInputs = [ pkgs.colmena ];
+      };
+      colmena =
+        {
+          meta = {
+            nixpkgs = import nixpkgs {
+              system = "x86_64-linux";
+            };
+            specialArgs = {
+              inherit
+                inputs
+                outputs
+                hosts
+                ;
+            };
+          };
+        }
+        // (nixpkgs.lib.mapAttrs (
           _: value:
           (utils.mkSystem {
-            inherit hosts;
             hostConfig = value;
           })
-        ) hosts)
-        // {
-          template = nixpkgs.lib.nixosSystem {
-            specialArgs = { inherit inputs; };
-            modules = [ ./systems/template/configuration.nix ];
-          };
+        ) hosts);
+      nixosConfigurations = {
+        template = nixpkgs.lib.nixosSystem {
+          specialArgs = { inherit inputs; };
+          modules = [ ./systems/template/configuration.nix ];
         };
+      };
     };
 }
diff --git a/utils.nix b/utils.nix
index dba5498..e504dd5 100644
--- a/utils.nix
+++ b/utils.nix
@@ -1,23 +1,9 @@
-{
-  nixpkgs,
-  inputs,
-  outputs,
-  ...
-}:
 {
   mkSystem =
-    { hostConfig, hosts }:
-    nixpkgs.lib.nixosSystem {
-      system = "x86_64-linux";
-      specialArgs = {
-        inherit
-          inputs
-          outputs
-          hostConfig
-          hosts
-          ;
-      };
-      modules = [
+    { hostConfig }:
+    { inputs, ... }:
+    {
+      imports = [
         inputs.impermanence.nixosModules.impermanence
         inputs.sops-nix.nixosModules.sops