[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [mysql]: (2002) php_network_getaddresses: getaddrinfo failed: Name or service not known (400)
/var/www/bitrix/modules/main/lib/db/mysqliconnection.php:65
#0: Bitrix\Main\DB\MysqliConnection->connectInternal()
	/var/www/bitrix/modules/main/lib/db/mysqliconnection.php:122
#1: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/bitrix/modules/main/lib/db/connection.php:330
#2: Bitrix\Main\DB\Connection->query(string)
	/var/www/bitrix/modules/main/lib/modulemanager.php:20
#3: Bitrix\Main\ModuleManager::getInstalledModules()
	/var/www/bitrix/modules/main/lib/loader.php:91
#4: Bitrix\Main\Loader::includeModule(string)
	/var/www/bitrix/modules/main/lib/data/connectionpool.php:308
#5: Bitrix\Main\Data\ConnectionPool->createSlaveConnection()
	/var/www/bitrix/modules/main/lib/data/connectionpool.php:247
#6: Bitrix\Main\Data\ConnectionPool->getSlaveConnection(string)
	/var/www/bitrix/modules/main/lib/db/connection.php:318
#7: Bitrix\Main\DB\Connection->query(string)
	/var/www/bitrix/modules/main/lib/orm/query/query.php:3304
#8: Bitrix\Main\ORM\Query\Query->query(string)
	/var/www/bitrix/modules/main/lib/orm/query/query.php:816
#9: Bitrix\Main\ORM\Query\Query->exec()
	/var/www/bitrix/modules/main/lib/orm/data/datamanager.php:500
#10: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/var/www/bitrix/modules/main/lib/orm/data/datamanager.php:361
#11: Bitrix\Main\ORM\Data\DataManager::getByPrimary(array)
	/var/www/bitrix/modules/main/lib/orm/data/datamanager.php:376
#12: Bitrix\Main\ORM\Data\DataManager::getById(integer)
	/var/www/local/templates/arosa/layout/main-layout.phtml:9
#13: include(string)
	/var/www/vendor/league/plates/src/Template/Template.php:153
#14: League\Plates\Template\Template->render(NULL)
	/var/www/vendor/league/plates/src/Template/Template.php:160
#15: League\Plates\Template\Template->render(NULL)
	/var/www/vendor/league/plates/src/Engine.php:277
#16: League\Plates\Engine->render(string, array)
	/var/www/vendor/zendframework/zend-expressive-platesrenderer/src/PlatesRenderer.php:47
#17: Zend\Expressive\Plates\PlatesRenderer->render(string, array)
	/var/www/vendor/zendframework/zend-expressive/src/Middleware/ErrorResponseGenerator.php:98
#18: Zend\Expressive\Middleware\ErrorResponseGenerator->prepareTemplatedResponse(object, object, object)
	/var/www/vendor/zendframework/zend-expressive/src/Middleware/ErrorResponseGenerator.php:71
#19: Zend\Expressive\Middleware\ErrorResponseGenerator->__invoke(object, object, object)
	/var/www/vendor/zendframework/zend-stratigility/src/Middleware/ErrorHandler.php:187
#20: Zend\Stratigility\Middleware\ErrorHandler->handleThrowable(object, object)
	/var/www/vendor/zendframework/zend-stratigility/src/Middleware/ErrorHandler.php:163
#21: Zend\Stratigility\Middleware\ErrorHandler->process(object, object)
	/var/www/vendor/zendframework/zend-expressive/src/Middleware/LazyLoadingMiddleware.php:60
#22: Zend\Expressive\Middleware\LazyLoadingMiddleware->process(object, object)
	/var/www/vendor/zendframework/zend-stratigility/src/Next.php:128
#23: Zend\Stratigility\Next->process(object)
	/var/www/vendor/zendframework/zend-stratigility/src/MiddlewarePipe.php:102
#24: Zend\Stratigility\MiddlewarePipe->process(object, object)
	/var/www/vendor/zendframework/zend-expressive/src/Application.php:374
#25: Zend\Expressive\Application->run()
	/var/www/index.php:26
#26: {closure}()
	/var/www/index.php:27