{ pkgs ? import { overlays = [ (import ../overlays).default ]; } }: let inherit (pkgs) callPackage; in { rustBackend = callPackage ./rust-backend.nix { }; jsBackend = callPackage ./js-backend.nix { }; ruby_3_2 = callPackage ./ruby-on-rails.nix { ruby = pkgs.ruby_3_2; }; ruby_3_3 = callPackage ./ruby-on-rails.nix { ruby = pkgs.ruby_3_3; }; ruby_3_4 = callPackage ./ruby-on-rails.nix { ruby = pkgs.ruby_3_4; }; }