{
  nixConfig = {
    trusted-substituters = "https://cache.nixos.org/";
    trusted-public-keys = "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=";
    extra-experimental-features = "nix-command flakes";
  };
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11-small";
    flake-compat = {
      url = "github:edolstra/flake-compat";
      flake = false;
    };
    flake-utils.url = "github:numtide/flake-utils";
  };
  outputs = {
    nixpkgs,
    flake-utils,
    ...
  }:
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = import nixpkgs {inherit system;};
      devDeps = with pkgs; [bash hugo zopfli brotli parallel];
    in {
      devShells.default = pkgs.mkShell {
        name = "rules_nixpkgs_shell";
        packages = devDeps;
      };

      # TODO how to run scripts/build as a result of `nix run .`?
      #packages = flake-utils.lib.mkApp {
      #  name = "build
      #};

      formatter = pkgs.alejandra;

    });
}