May 2018
Intermediate to advanced
554 pages
13h 51m
English
Content preview from Kubernetes Cookbook - Second Edition
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Deployment API
The Deployment API was introduced in Kubernetes version 1.2. It is replacing the replication controller. The functionalities of rolling-update and rollback by replication controller, it was achieved with client side (kubectl command and REST API), that kubectl need to keep connect while updating a replication controller. On the other hand, Deployments takes care of the process of rolling-update and rollback at the server side. Once that request is accepted, the client can disconnect immediately.
Therefore, the Deployments API is designed as a higher-level API to manage ReplicaSet objects. This section will explore how to use the Deployments API to manage ReplicaSets.