{
  description = "Development environment with pnpm and Elixir";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
      in
      {
        devShells.default = pkgs.mkShell {
          buildInputs = with pkgs; [
            # Elixir and Erlang
            elixir
            elixir-ls
            
            # Node.js and pnpm
            nodejs_22
            pnpm
            
            # Additional tools
            git
            inotify-tools
          ];

          shellHook = ''
            echo "🚀 Development environment loaded"
            echo "Elixir version: $(elixir --version | head -n 1)"
            echo "Node.js version: $(node --version)"
            echo "pnpm version: $(pnpm --version)"
          '';
        };
      }
    );
}