File: //home/marketing.cfbon.ru/public_html/app/Http/Controllers/AuthController.php
<?php
namespace App\Http\Controllers;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\View\View;
class AuthController extends Controller
{
    public function login(): View
    {
        return view('auth.login');
    }
    public function auth (Request $request): RedirectResponse
    {
        $credentials = $request->only('name', 'password');
        if (Auth::guard('web')->attempt($credentials)) {
            return redirect()->route('index');
        }
        return back()->withErrors([
            'password' => 'Неверное имя пользователя или пароль',
        ]);
    }
    public function logout(): RedirectResponse
    {
        auth()->logout();
        return redirect()->route('login');
    }
}