Operators are a way of packaging deploying and managing Kubernetes applications. A Kubernetes
application doesn't just run on Kubernetes it's composed and managed in Kubernetes terms.
Operators add application-specific operational knowledge to a Kubernetes cluster making it
easier to automate complex stateful applications and to augment the platform. Operators can
coordinate application upgrades seamlessly react to failures automatically and streamline
repetitive maintenance like backups. Think of Operators as site reliability engineers in
software. They work by extending the Kubernetes control plane and API helping systems
integrators cluster administrators and application developers reliably deploy and manage key
services and components. Using real-world examples authors Jason Dobies and Joshua Wood
demonstrate how to use Operators today and how to create Operators for your applications with
the Operator Framework and SDK. Learn how to establish a Kubernetes cluster and deploy an
Operator Examine a range of Operators from usage to implementation Explore the three pillars of
the Operator Framework: the Operator SDK the Operator Lifecycle Manager and Operator Metering
Build Operators from the ground up using the Operator SDK Build package and run an Operator
in development testing and production phases Learn how to distribute your Operator for
installation on Kubernetes clusters
