{pkgs ? import <nixpkgs>{}}:
with pkgs;
let
    rubyEnv = bundlerEnv {
        name = "env-proto";
        ruby = ruby_3_0;
        gemdir = ./.;
    };
in
    mkShell {
        buildInputs = [
            rubyEnv
            ruby_3_0
            bundix
        ];
    }