Fatal error: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /app/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:27 Stack trace: #0 /app/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(27): PDO->__construct('mysql:host=web2...', 'root', 'root', Array) #1 /app/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(22): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=web2...', 'root', 'root', Array) #2 /app/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(362): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'root', 'root', Array) #3 /app/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(428): Doctrine\DBAL\Connection->connect() #4 /app/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(388): Doctrine\DBAL\Connection->getDatabasePlatformVersion() #5 /app/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(330): Doctrine\DBAL\Connection->detectDatabasePla in /app/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 97