I guess, newcomers would be happy if we show them how to deploy docker image into OpenShift. Either from command line or from OpenShift GUI.
I would like to create demo how to do it, but I have to find a way;)
Link from Michal Fojtik. https://docs.openshift.org/latest/dev_guide/managing_images.html#creating-an-image-stream-by-manually-pushing-an-image
Before pushing images to OpenShift's registry, you need to deploy the registry first. Luckily oc cluster up covers this.
oc cluster up