Let's see a StatefulSet in action and see whether it beings any benefits. We'll use Jenkins as the first application we'll deploy. It is a simple application to start with since it does not require a complicated setup and it cannot be scaled. On the other hand, Jenkins is a stateful application. It stores all its state into a single directory. There are no "special" requirements besides the need for a PersistentVolume.
A sample Jenkins definition that uses StatefulSets can be found in sts/jenkins.yml.
1 cat sts/jenkins.yml
The definition is relatively straightforward. It defines a Namespace for easier organization, a Service for routing traffic, and an Ingress that makes it accessible from ...
