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

  outputs = { self, nixpkgs }: {
    nixosConfigurations = {
      # NOTE: change "host" to your system's hostname
      hp-laptop = nixpkgs.lib.nixosSystem {
        modules = [
          {
            nix.settings = {
              # If you have other substituters or trusted-public-keys, add them here
            };
          }
          ./configuration.nix
        ];
      };
    };
  };
}
