{
  pkgs ? import <nixpkgs> {},
  alejandra,
  mkShell,
  nixops,
  nix,
}:
with pkgs;
  mkShell {
    buildInputs = [
      alejandra # The Uncompromising Nix Code Formatter
      nixops
      nix
      tea # Gitea official CLI client
      treefmt # one CLI to format the code tree
    ];
  }