Fatal error: Uncaught yii\db\Exception: Failed to open DB connection. in /app/vendor/yiisoft/yii2-redis/src/Connection.php:663 Stack trace: #0 /app/vendor/yiisoft/yii2-redis/src/Connection.php(764): yii\redis\Connection->open() #1 /app/vendor/yiisoft/yii2-redis/src/Connection.php(729): yii\redis\Connection->executeCommand('GET', Array) #2 /app/common/config/platform-web-index.php(33): yii\redis\Connection->__call('get', Array) #3 /app/frontend/web/index.php(20): platform_web_boot(Array, 'site_config_fro...', false) #4 {main} Additional Information: php_network_getaddresses: getaddrinfo for redis failed: Temporary failure in name resolution thrown in /app/vendor/yiisoft/yii2-redis/src/Connection.php on line 663