in docker logs
i see only nginx messages, but not from monolog
https://i.stack.imgur.com/1iRjV.png
I tried send some message to stdout stream and see it in docker logs
$logger = new \Monolog\Logger('MyTestName');
$handler = new StreamHandler('php://stdout', Logger::DEBUG);
$logger->pushHandler($handler);
$logger->error('My test error message');
in docker logs
will be my error message