export nix module

flake.nix

@@ -4,11 +4,32 @@
     utils.url = "github:numtide/flake-utils";
   };
 
-  outputs = { self, nixpkgs, utils }:
-    utils.lib.eachDefaultSystem (system:
+  outputs =
+    {
+      self,
+      nixpkgs,
+      utils,
+    }:
+    let
+      nixosModule = import ./nix/nixos-module.nix;
+    in
+    utils.lib.eachDefaultSystem (
+      system:
       let
         pkgs = nixpkgs.legacyPackages.${system};
-      in {
+        packages = import ./nix/packages { inherit pkgs; };
+      in
+      {
+        inherit packages;
+
+        checks = {
+          inherit (packages) backend frontend;
+          module-eval = pkgs.callPackage ./nix/checks/module-eval.nix {
+            inherit nixpkgs system;
+            module = nixosModule;
+          };
+        };
+
         devShells.default = pkgs.mkShell {
           buildInputs = with pkgs; [
             onefetch
@@ -44,5 +65,8 @@
           '';
         };
       }
-    );
+    )
+    // {
+      nixosModules.default = nixosModule;
+    };
 }