Stream a file using a StreamResponse

MyController.php

<?php

use Symfony\Component\DependencyInjection\ContainerAware;
use Csa\Bundle\GuzzleBundle\HttpFoundation\StreamResponse;

class MyController extends ContainerAware
{
    public function indexAction()
    {
        // Call your client
        $client = $this->get('csa_guzzle.client.my_client');
        $response = $client->get('/path/to/my/file.zip');
        return new StreamResponse($response);
    }
}