Chapter 11: Deployment – Deploying Stateless Applications
The previous chapter introduced two important Kubernetes objects: ReplicationController and ReplicaSet. At this point, you already know that they serve similar purposes in terms of maintaining identical, healthy replicas (copies) of Pods. In fact, ReplicaSet is a successor of ReplicationController and, in the most recent versions of Kubernetes, ReplicaSet should be used in favor of ReplicationController.
Now, it is time to introduce the Deployment object, which provides easy scalability, rolling updates, and versioned rollbacks for your stateless Kubernetes applications and services. Deployment objects are built on top of ReplicaSets and they provide a declarative way of managing them ...
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