Brevet/dev/provisioning/ansible/roles/nextcloud/templates/redis.config.php.j2

<?php
$CONFIG = array (
  'memcache.distributed' => '\OC\Memcache\Redis',
  'memcache.locking' => '\OC\Memcache\Redis',
  'redis' => array (
    'host' => '{{ redis_host }}',
    'port' => 6379,
  ),
);