Fatal error: Uncaught MongoDB\Driver\Exception\ConnectionTimeoutException: No suitable servers found (`serverSelectionTryOnce` set): [connection refused calling ismaster on 'mongodb1:27017'] [connection refused calling ismaster on 'mongodb2:27017'] in /var/www/vendor/mongodb/mongodb/src/functions.php:431 Stack trace: #0 /var/www/vendor/mongodb/mongodb/src/functions.php(431): MongoDB\Driver\Manager->selectServer() #1 /var/www/vendor/mongodb/mongodb/src/Collection.php(1073): MongoDB\select_server() #2 /var/www/public_report.php(29): MongoDB\Collection->updateOne() #3 {main} thrown in /var/www/vendor/mongodb/mongodb/src/functions.php on line 431