// Dans bootstrap/app.php d'un Laravel récent :
->withRouting(
    web: __DIR__.'/../routes/web.php',
    api: __DIR__.'/../routes/api.php',
    commands: __DIR__.'/../routes/console.php',
    health: '/up',
)

->withMiddleware(function ($middleware) {
    $middleware->alias([
        'admin' => \App\Http\Middleware\AdminMiddleware::class,
    ]);
})