{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    firefox-addons = {
      url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };
  outputs = { self, nixpkgs, home-manager, firefox-addons, ... }: {
    nixosConfigurations.navi = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      specialArgs = { inherit firefox-addons; };
      modules = [
        home-manager.nixosModules.home-manager
        ./configuration.nix
      ];
    };
  };
}