shlink/config/config.php

<?php
use Shlinkio\Shlink\CLI;
use Shlinkio\Shlink\Rest;
use Zend\Expressive\ConfigManager\ConfigManager;
use Zend\Expressive\ConfigManager\ZendConfigProvider;

/**
 * Configuration files are loaded in a specific order. First ``global.php``, then ``*.global.php``.
 * then ``local.php`` and finally ``*.local.php``. This way local settings overwrite global settings.
 *
 * The configuration can be cached. This can be done by setting ``config_cache_enabled`` to ``true``.
 *
 * Obviously, if you use closures in your config you can't cache it.
 */

return call_user_func(function () {
    $configManager = new ConfigManager([
        new ZendConfigProvider('config/autoload/{{,*.}global,{,*.}local}.php'),
        CLI\ConfigProvider::class,
        Rest\ConfigProvider::class,
    ], 'data/cache/app_config.php');

    return $configManager->getMergedConfig();
});