file/routes/web.php

<?php

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Route;
use Jcupitt\Vips\Image;
/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/

// Route::get('/update', function () {
//     $user = \App\Models\User::first();
//     $user->fill(['name' => 'xxxxxx']);
//     $user->saveRich();

//     return 'done';
//     return view('welcome');
// });

Route::get('/', function (Request $request) {

    $image = Image::thumbnail('../public/image.jpg', $request->w);
    $image->writeToFile('image-modified.jpg',[
        'Q' => $request->q
    ]);
    echo '<img src="image-modified.jpg" alt="">';

});