Try out the app in "Play with Docker"

[fozcode]

It would be great if we can spin up a demo environment with this:

https://medium.com/@patternrecognizer/how-to-add-a-try-in-play-with-docker-button-to-your-github-project-41cb65721e94

Needs testing to see whether it is possible to run a web service within it and get/supply the required host name for URL access. Also if so, whether there is any way of deploying HTTPS.