In this chapter, we will talk about orchestration concepts that can be applied to container environments. We will learn why we need orchestration to deploy applications based on container components on a pool of nodes. Orchestrators provide new features to an environment but they also introduce new management challenges. We will also look at new definitions so that we can provide Docker Engine features in a distributed orchestrated environment. This chapter will introduce important concepts that will help you understand the Swarm and Kubernetes orchestrators.
We will learn about orchestration as a concept and we will also introduce some interesting topics, such as the importance of orchestration in distributed and dynamic environments, and the fact that it allows us to easily scale up and down and update application components. We will also learn...