use Illuminate\Support\Facades\Response as Download;

public function download_config(Config $config)
    {
//
        $headers = [
            'Content-Type'        => 'Content-Type: application/zip',
            'Content-Disposition' => 'attachment; filename="'. $config->name .'"',
        ];
//
        return Download::make(Storage::disk('s3')->get($config->path), Response::HTTP_OK, $headers);
    }