FACULTATE-KNOW_YOUR_FOOD/knowyourfood/dbconfig.php

<?php

$config = [
    'userClass' => \app\models\User::class,
    'db' => [
        'dsn' => 'mysql:host=localhost;port=3306;dbname=Web',
        'user' => 'root',
        'password' => '',
    ]
];