You can use your **env.php** like I use in my [Magento 2 Docker container][1] setting the param **compression_lib** and other paramns to avoid future issues: <?php return array ( 'backend' => array ( 'frontName' => 'admin', ), 'crypt' => array ( 'key' => '5e56dc6d8f24f711bb4f289cca1beda9', ), 'session' => array ( 'save' => 'redis', 'redis' => array ( 'host' => 'redis-session', 'port' => '6379', 'password' => '', 'timeout' => '2.5', 'persistent_identifier' => '', 'database' => '2', 'compression_threshold' => '2048', 'compression_library' => 'gzip', 'log_level' => '1', 'max_concurrency' => '6', 'break_after_frontend' => '5', 'break_after_adminhtml' => '30', 'first_lifetime' => '600', 'bot_first_lifetime' => '60', 'bot_lifetime' => '7200', 'disable_locking' => '0', 'min_lifetime' => '60', 'max_lifetime' => '2592000', ), ), 'db' => array ( 'table_prefix' => '', 'connection' => array ( 'default' => array ( 'host' => 'db', 'dbname' => 'magento', 'username' => 'magento', 'password' => 'magento', 'active' => '1', ), ), ), 'resource' => array ( 'default_setup' => array ( 'connection' => 'default', ), ), 'x-frame-options' => 'SAMEORIGIN', 'MAGE_MODE' => 'production', 'cache_types' => array ( 'config' => 1, 'layout' => 1, 'block_html' => 1, 'collections' => 1, 'reflection' => 1, 'db_ddl' => 1, 'eav' => 1, 'customer_notification' => 1, 'full_page' => 1, 'config_integration' => 1, 'config_integration_api' => 1, 'translate' => 1, 'config_webservice' => 1, 'compiled_config' => 1, 'amasty_shopby' => 1, 'target_rule' => 1, ), 'install' => array ( 'date' => 'Thu, 05 Jan 2017 22:49:50 +0000', ), 'cache' => array ( 'frontend' => array ( 'default' => array ( 'backend' => 'Cm_Cache_Backend_Redis', 'backend_options' => array ( 'server' => 'redis', 'port' => '6379', 'persistent' => '', 'database' => '0', 'password' => '', 'force_standalone' => '0', 'connect_retries' => '1', 'read_timeout' => '10', 'automatic_cleaning_factor' => '0', 'compress_data' => '1', 'compress_tags' => '1', 'compress_threshold' => '20480', 'compression_lib' => 'gzip', 'use_lua' => '0', ), ), 'page_cache' => array ( 'backend' => 'Cm_Cache_Backend_Redis', 'backend_options' => array ( 'server' => 'redis', 'port' => '6379', 'persistent' => '', 'database' => '1', 'password' => '', 'force_standalone' => '0', 'connect_retries' => '1', 'lifetimelimit' => '57600', 'compress_data' => '0', ), ), ), ), ); [1]: https://github.com/clean-docker/Magento2