{
  description = "NixOS system";

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

  outputs =
    { self, nixpkgs }:
    {
      nixosConfigurations = {
        "20212060" = nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";
          modules = [
            ./machines/laptop.nix
            ../hardware-configuration.nix
          ];
        };
      };
    };
}