Intro Some time ago I started to get a look at MQTT and needed a broker to start with. Eclipse Mosquitto (http://mosquitto.org/) was a logical choice for a quick start and as I am a fan of docker containers for not polluting your local system installation whilst trying new software stacks, I searched for a docker image with Mosquitto. Of course, there were many, but I was a bit astonished about their size. 500MB…