Appengine backend publish to mqtt broker

[DataDaniel]

Hello! I have a nodejs backend running in a appengine standard evironment, and i have a problem attemping to publish to a mqtt broker. I can see that it has a connection, but it cant publish or receive anything..

Is it possible to use mqtt protocol on port 8883 in appengine?

[DataDaniel · Accepted solution]

Found a workaround for RabbitMQ. You can publish and get queue info with its http api. Still curious if mqtt:8883 is possible with/without flexible though.