{
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  inputs.handyhelper.url = "../";

  outputs = { self, nixpkgs, handyhelper }: let
    handy_overlay = (final: prev: {
      handy_helper = handyhelper.packages."x86_64-linux".default;
    });
  in {
    nixosConfigurations."staging" = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      modules = [
        ../secrets/config.nix
        ({ config, pkgs, ... }: {
          nixpkgs.overlays = [
            handy_overlay
          ];
        })
        ({lib, config, pkgs, ...}: {
          systemd.services.handyhelper = {
            wantedBy = ["networking-online.target"];
            enable = true;
            path = [
              pkgs.handy_helper
            ];
            script = ''
              ${pkgs.handy_helper}/bin/handyhelper.py
            '';
          };
        })
      ];
    };
  };
}