{
  description = "NixOS Configuration";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
    home-manager.url = "github:nix-community/home-manager/release-24.05";
    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, nixpkgs-unstable, nixos-hardware, nix-flatpak, ... }@attrs: {
    nixosConfigurations = {
      lyes-pc = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        specialArgs = attrs;
        modules = [
          ./general/configuration.nix
          nix-flatpak.nixosModules.nix-flatpak
          ./specific/lyes-pc/configuration.nix
          nixos-hardware.nixosModules.lenovo-thinkpad-x1-extreme-gen4
        ];
      };

      iso = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        specialArgs = attrs;
        modules = [
          ./general/configuration.nix
          nix-flatpak.nixosModules.nix-flatpak
          "${nixpkgs}/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix"
          "${nixpkgs}/nixos/modules/installer/cd-dvd/channel.nix"
          ./specific/iso/configuration.nix
        ];
      };
    };
  };
}