MQTT using a client app For the first experiments we will use an MQTT client that can be used in any OS, it's called MQTT-explorer: You have to install it from here: http://mqtt-explorer.com Connecting to a public broker There are various public MQTT brokers, for example: broker.hivemq.com broker.mqttdashboard.com

based on https://training.play-with-docker.com/dev-stage1/ https://training.play-with-docker.com/ops-s1-hello/ :::warning Create your own Docker ID at https://hub.docker.com/signup and… Option 1: You can download and install Docker on multiple platforms. Refer to the following link: https://docs.docker.com/get-docker/ and choose the best installation path for you.