That example shows how to bind an existing Cloudant service instance in IBM Cloud to an application running in Red Hat OpenShift.
How to configure the IBM Cloud Operator for an existing Cloudant service?
Write your first simple Kubernetes Operator
Even a student with minimal knowledge of Kubernetes should be able to install a highly complex container-based application on top of Kubernetes or OpenShift. Eliminate the manual interaction effort as much as possible to deploy, run, and maintain your containerized application on Kubernetes or OpenShift with your Operator implementation.
Install VirtualBox and setup a virtual machine with Ubuntu on MacOS
This blog post does contain a very short cheat sheet for me and maybe it is also useful for you, how to install VirtualBox and setup a virtual machine with Ubuntu on a Mac OS host system, by using various documentation resources from the internet.
Thomas Suedbroecker's Blog 