{ inputs.nixpkgs.url = "nixpkgs/nixos-25.05"; outputs = { nixpkgs, ... }: let pkgs = import nixpkgs {system = "x86_64-linux";}; in { devShells."x86_64-linux".default = pkgs.mkShell { buildInputs = with pkgs; [ gleam rebar3 beamPackages.erlang ]; }; }; }