Docker is an open source project with a high-level API that provides software containers to run processes in isolation. Packaging an app in a container that can run on any Linux server (as well as on OS X and Windows) helps developers focus on developing the app instead of server setups and other DevOps operations.
Chapter 1, Installing Docker, takes you through the Docker installation process to start a container.
Chapter 2, Exploring Docker, gives you an insight into how Docker works and the terminology used and introduces public images.
Chapter 3, Creating Our First PaaS Image, shows you how to create your own custom Docker image that will be a part of your PaaS.
Chapter 4, Giving Containers Data and Parameters ...