As mentioned before, we are going to use Jenkins as our central system to run our CI pipeline. With over 10 years of development, Jenkins has been the leading open source solution to practice continuous integration for a long time. Famous for its rich plugin ecosystem, Jenkins has recently gone through a major new release (Jenkins 2.0), which has put the spotlight on a number of very DevOps-centric features, including the ability to create delivery pipelines natively that can be checked in and version-controlled, and better integration with source control systems such as GitHub, which we are using in this book.

We are going to continue using Ansible and CloudFormation to manage our Jenkins server in the same way as we did in Chapter 3, Treating Your Infrastructure As Code.