{
  description = "grimmauld-nixos";

  inputs = {
    nixpkgs = {
      url = "github:NixOS/nixpkgs/nixos-unstable";
    };
    swayfx = {
      url = "github:WillPower3309/swayfx";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = inputs @ { self, nixpkgs, ... }: let
    system = "x86_64-linux";

    pkgs = import nixpkgs {
      inherit system;
      config.allowUnfree = true;
      overlays = [self.overlays.default];
    };
  in {
    overlays.default = import ./overlay.nix {inherit inputs system;};

    nixosConfigurations = {
      grimmauld-nixos = nixpkgs.lib.nixosSystem {
        inherit system;
        modules = [
          ./configuration.nix
          ./modules/sway.nix
          ./modules/localisation.nix
          ./modules/users.nix
          ./modules/tlp.nix
          ./modules/printing.nix
          ./modules/network.nix
          ./modules/xdg.nix
          ./modules/fonts.nix
          ./modules/polkit.nix
          ./modules/sound.nix
          ./modules/tabletdriver.nix
          ./modules/xserver.nix
          ./modules/system-packages.nix
          ./modules/mypackaegsstayinstoreffs.nix
          ./modules/opengl.nix
        ];
      };
    };
  };
}