If building a cloud, use OpenStack. If building a PaaS, use K8 or runC. If building an app or a business, use Cloud Foundry.
user->product: LEAN product->dev: AGILE dev->ops: DEVOPS rinse-and-repeat: CD
"Do you realize that what took us a month to do on AWS with Docker, you were able to do that and more in less than 4 hours on CF?!" #winning