The first thing we will do in this chapter will be to explain the reasoning behind Docker and its architecture. We will cover Docker concepts such as images, layers, and containers. Next, we will install Docker and learn how to pull a sample, basic Java application image from the remote registry and run it on the local machine.
Docker was created as the internal tool in the platform as a service company, dotCloud. In March 2013, it was released to the public as open source. Its source code is freely available to everyone on GitHub at: https://github.com/docker/docker. Not only do the core Docker Inc. team work on the development of Docker, there are also a lot of big names sponsoring their time and effort to enhance ...
