A copier dans "library/LeNomDeTaBibliothèque/Application/Resource" :

<?php

    require_once('Doctrine/Common/ClassLoader.php');

    /*
     * Interface Doctrine 2.1 avec Zend Framework
     */
    class Evpatoria_Application_Resource_Doctrine extends Zend_Application_Resource_ResourceAbstract
    {
        //
        // Initialise la ressource personnalisée
        //
        public function init()
	{
            return $this->getDoctrine();
	}

        //
        // Récupère un manager d'entités Doctrine correctement initialisé
        //
	public function getDoctrine()
	{
            $options = $this->getOptions();

            // Doctrine
            $classLoader = new \Doctrine\Common\ClassLoader('Doctrine');
            $classLoader->register();

            $config = new \Doctrine\ORM\Configuration();

            // Définition du cache
            $cache = new \Doctrine\Common\Cache\ArrayCache;
            $config->setMetadataCacheImpl($cache);
            $config->setQueryCacheImpl($cache);

            // Chemins
            $driverImpl = $config->newDefaultAnnotationDriver($options['entityDir']);
            $config->setMetadataDriverImpl($driverImpl);
            $config->setProxyDir($options['proxyDir']);
            $config->setProxyNamespace($options['proxyNamespace']);
            $config->setAutoGenerateProxyClasses($options['autoGenerateProxyClasses']);

            // Définition des paramètres de connexion
            $connection = array();
            foreach($options['connection'] as $key => $value)
                $connection[$key] = $value;

            $entityManager = \Doctrine\ORM\EntityManager::create($connection, $config);
            $entityManager->getEventManager()
                          ->addEventSubscriber(new \Doctrine\DBAL\Event\Listeners\MysqlSessionInit('utf8'));

            Zend_Registry::set('entityManager', $entityManager);

            return $entityManager;
        }
    }




A ajouter dans ton fichier de config :

doctrine:
      entityDir: APPLICATION_PATH/models
      proxyDir: APPLICATION_PATH/models/proxies
      proxyNamespace: Proxy
      autoGenerateProxyClasses: true
      connection:
        driver: pdo_mysql
        host: localhost
        dbname: test
        user: root
        password: monMotdePasse