protected function initializeContainer()
    {
        $this->container = new ContainerBuilder();

        $this->container->addCompilerPass(new DependencyInjection\EnvironmentCompilerPass());
        $this->container->addCompilerPass(new DependencyInjection\TypeCompilerPass());
        $this->container->addCompilerPass(new DependencyInjection\ThemeCompilerPass());
        $this->container->addCompilerPass(new DependencyInjection\FormatCompilerPass());
        $this->container->addCompilerPass(new DependencyInjection\RendererCompilerPass());
        $this->container->addCompilerPass(new DependencyInjection\InspectorCompilerPass());
        $this->container->addCompilerPass(new DependencyInjection\MetadataCompilerPass());

        $this->container->setParameter('root_dir', __DIR__);
        $this->container->setParameter('helpers', array(
            'Ladybug\Dumper:dump'
        ));
    }