ApiTrackerBundleExtension.php

<?php

namespace Goatform\ApiTrackerBundle\DependencyInjection;

use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Extension\Extension;

use Symfony\Component\Config\FileLocator;
use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;

class ApiTrackerBundleExtension extends Extension
{
    public function load(array $configs, ContainerBuilder $container)
    {
        $configuration = $this->getConfiguration($configs, $container);
        $config        = $this->processConfiguration($configuration, $configs);

        $loader = new YamlFileLoader($container, new FileLocator(dirname(__DIR__) . '/Resources/config'));
        $loader->load('goatform_api_tracker.yaml');

        $container->setParameter('goatform_api_tracker.api_url', $config['api_url']);
    }

    public function getAlias(): string
    {
        return 'goatform_api_tracker';
    }

    public function getConfiguration(array $config, ContainerBuilder $container): Configuration
    {
        return new Configuration($this->getAlias());
    }
}