laravel route serve static

web.php

<?php

// Route::get('/', ...

// ...

Route::fallback(function () {
    $static = 'static'; // static folder in project root
    $static_file = request()->path() === '/' ? base_path($static) : implode(DIRECTORY_SEPARATOR, array_merge(array(base_path($static)), explode('/', request()->path())));
    if (is_dir($static_file)) {
        $static_file = implode(DIRECTORY_SEPARATOR, array($static_file, 'index.html'));
    }
    if (file_exists($static_file)) {
        $mimeType = \GuzzleHttp\Psr7\MimeType::fromFilename($static_file);
        return response()->file($static_file, [
            // 'Cache-Control' => 'public,max-age=0,must-revalidate',
            'Content-Type' => $mimeType ? $mimeType : 'application/octet-stream',
        ]);
    }
    return response([
        'error' => 404,
        'message' => '404 Not Found',
    ], 404);
});