Fatal error: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/html/vendor/illuminate/database/Connectors/Connector.php:70 Stack trace: #0 /var/www/html/vendor/illuminate/database/Connectors/Connector.php(70): PDO->__construct('mysql:host=db;d...', 'rpg', 'QwD9Feg92WNPxP', Array) #1 /var/www/html/vendor/illuminate/database/Connectors/Connector.php(45): Illuminate\Database\Connectors\Connector->createPdoConnection('mysql:host=db;d...', 'rpg', 'QwD9Feg92WNPxP', Array) #2 /var/www/html/vendor/illuminate/database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection('mysql:host=db;d...', Array, Array) #3 /var/www/html/vendor/illuminate/database/Connectors/ConnectionFactory.php(182): Illuminate\Database\Connectors\MySqlConnector->connect(Array) #4 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->Illuminate\Database\Connectors\{closure}() #5 /var/www/html/vendor/illuminate/database/Connectio in /var/www/html/vendor/illuminate/database/Connection.php on line 664