Stateful containers using StatefulSets

StatefulSet manages the deployment and scaling of a set of Pods, and provides guarantees about the ordering and uniqueness of these Pods, suitable for applications that require one or more of the following. * Stable, unique network identifiers * Stable, persistent storage * Ordered, graceful deployment and scaling * Ordered, automated rolling updates

In this Chapter, we will review how to deploy MySQL database using StatefulSet and Amazon Elastic Block Store (EBS) as PersistentVolume. The example is a MySQL single leader topology with multiple followers running asynchronous replication.