{
  description = "NixOS Configuration";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    home-manager.url = "github:nix-community/home-manager";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";
    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
    nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=v0.4.1";
  };

  outputs = { self, nixpkgs, nixos-hardware, nix-flatpak, ... }@attrs: {
    nixosConfigurations.lyes-pc = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      specialArgs = attrs;
      modules = [
        ./configuration.nix
        ./hardware/x1-extreme-gen4.nix
        nixos-hardware.nixosModules.lenovo-thinkpad-x1-extreme-gen4
        nix-flatpak.nixosModules.nix-flatpak
      ];
    };
  };
}