nixos module

flake.nix

@@ -8,7 +8,14 @@
   outputs = { self, nixpkgs }:
   let
     system = "x86_64-linux";
+    package = nixpkgs.legacyPackages.${system}.callPackage ./. { };
   in {
-      packages.${system}.default = nixpkgs.legacyPackages.${system}.callPackage ./. { };
+    packages.${system}.default = package;
+
+    nixosModules.default = {
+      imports = [ ./module.nix ];
+
+      _module.args.package = package;
+    };
   };
 }

module.nix

@@ -0,0 +1,26 @@
+{ config, lib, pkgs, package, ... }:
+
+let
+  cfg = config.custom.minimal-youtube;
+in
+{
+  options.custom.minimal-youtube = {
+    enable = lib.mkEnableOption "minimal-youtube web app";
+    port = lib.mkOption {
+      type = lib.types.port;
+      default = 8080;
+    };
+  };
+
+  config.systemd.services.minimal-youtube = {
+    wantedBy = [ "multi-user.target" ];
+
+    serviceConfig = {
+      ExecStart =
+        "${package}/bin/minimal-youtube --port ${toString cfg.port}";
+
+      Restart = "always";
+    };
+  };
+}
+