Katacoda

Katacoda is docker sandbox for creating tutorials and interactive scenarios. It supports multiple environments including kubernetes/swarm/docker.

Flokkr images are easy to use images for Apache Hadoop/Spakr and other bigdata products and katacoda platform is ideal to use example compose files in a learning environment.

An an example: to try out Ozone (which is an experimetal object store on top of Hadoop/Hdfs components) you can visit this experimetnal katacoda scenario: https://www.katacoda.com/elek/scenarios/ozone101

(Source code is available from here: https://github.com/elek/katacoda-scenarios)