framework/config/env/localhost.php

<?php
return array
(
    'db' => array
    (
        'type' => 'Pdo',
        'host' => 'web-mysql',
        'port' => '3306',
        'name' => 'dever2test',
        'user' => 'root',
        'pwd' => '123456',
    ),
    'db1' => array
    (
        'type' => 'Pdo',
        'host' => 'web-mysql',
        'port' => '3306',
        'name' => 'dever2test2',
        'user' => 'root',
        'pwd' => '123456',
    ),
);