• Docker installed
• Docker Compose installed
• Mosquitto installed (needed for the Mosquitto Tools)
  • brew install mosquitto
• MQTT Client installed for example MQTTBOX / MQTT.FX
• RevealMD installed for the presentation (in slides execute ./present.sh)
  • npm install -g reveal-md
• For the certificates in the AWS IOT demo, create a thing and download the certificates and place in step4

• Generate PDF from presentation use http://localhost:1948/slides.md?print-pdf

• Execute ./build-docker-images

This will build the following images:

• Grails-MQTT-Demo: Docker image containing a Grails app that connects to MQTT and InfluxDB

• Start Mosquitto using docker-compose > dc up
• Show the logging from the container
• Start an MQTT Client (MQTTBOX) and connect
• Show the logging from the container and explain what has happened we have connected

• Start Mosquitto using docker-compose > dc up
• Show the logging from the container
• Start the MQTT subscriber
• Start the MQTT publisher
• Show the logging from the container and explain what has happened when we conncted

• Start Mosquitto/Grails using docker-compose > dc up
• Start the MQTT publisher
• Show the data received by Grails

• Show the AWS Console/IOT
• Start the MQTT subscriber
• Start the MQTT publisher

• Start Mosquitto/Grails/InfluxDB using docker-compose > dc up
• Exec inside the container that runs InfluxDB
  • docker exec -it influxdb bash
  • influx -username root -password root -database iotdata
• Show the contents of an empty database
• Start the MQTT publisher
• Show that data has been written
• Exec inside the container that runs InfluxDB
  • docker exec -it influxdb bash
    • SELECT (*) FROM temperature
    • SELECT (*) FROM temperature GROUP BY time(5s)
    • SELECT () FROM temperature GROUP BY time(5s),
    • SELECT () INTO test FROM temperature GROUP BY time(5s),
• Chronograf -> create connection
  • url: http://influxdb:8086

• Start Mosquitto/Grails/InfluxDB/Grafana using docker-compose > dc up
• Grafana -> Connect to InfluxDB and build a Graphs

• Chronograf
• Grafana