mezzio-api-skeleton/config/autoload/doctrine.local.dist.php

<?php

return [
    'doctrine' => [
        'connection' => [
            'orm_default' => [
                'params' => [
                    'url'     => 'sqlite:///data/gallery.db',
                    'charset' => 'UTF8',
                ],
            ],
        ],
    ],
];