SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known

#632: /www/wwwroot/www/service/vendor/yiisoft/yii2/db/Connection.php

#999: /www/wwwroot/www/service/vendor/yiisoft/yii2/db/Connection.php

#253: /www/wwwroot/www/service/vendor/yiisoft/yii2/db/Command.php

#1153: /www/wwwroot/www/service/vendor/yiisoft/yii2/db/Command.php

#399: /www/wwwroot/www/service/vendor/yiisoft/yii2/db/Command.php

#441: /www/wwwroot/www/service/helpers/functions.php

#270: /www/wwwroot/www/service/core/Application.php

#56: /www/wwwroot/www/service/core/WebApplication.php

#15: /www/wwwroot/www/service/web/index.php

Version: 4.5.8