diff --git a/flake.nix b/flake.nix
index 109ef27..292a023 100644
--- a/flake.nix
+++ b/flake.nix
@@ -83,6 +83,8 @@
 
     in
     {
+      nixosModules.default = (import ./modules/default.nix) self.packages.x86_64-linux.default;
+      
       # Package a virtual environment as our main application.
       #
       # Enable no optional dependencies for production build.
diff --git a/modules/default.nix b/modules/default.nix
new file mode 100644
index 0000000..3eb2d71
--- /dev/null
+++ b/modules/default.nix
@@ -0,0 +1,14 @@
+package:
+
+{
+  lib,
+  ...
+}:
+
+{
+  options.services.lego-monitoring = {
+    enable = lib.mkEnableOption "Enable lego-monitoring service."
+  };
+
+  config = {};
+}