Kubernetes Operators by Jason Dobies

Automating the Container Orchestration Platform

A practical, example-driven guide that explains how to extend Kubernetes with Operators by modeling application-specific lifecycle logic as controllers and custom resources. It covers the controller pattern, CustomResourceDefinitions, and common tooling (including the Operator SDK and language/packaging options), plus patterns for testing, deploying, and managing upgrades and failure recovery. Throughout, it emphasizes design choices and best practices for building maintainable, production-ready Operators with hands-on examples.

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