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Kubernetes Operators and Custom Controllers

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A practical Kubernetes book covering controllers, operators, CRDs, reconciliation loops, finalizers, admission webhooks, testing, observability, and safe production operations.

Level: advancedLanguage: EN EnglishRating: 0Reviews: 0

Technology DevOps and Platform Engineering DevOps GAUAB Academy Testing Devops Platform Engineering Kubernetes Operators Custom Controllers

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Book contents

01Chapter 1: How Kubernetes Controllers Work 02Chapter 2: Custom Resources and CRDs 03Chapter 3: Reconciliation Loops and Desired State 04Chapter 4: Controller Runtime Project Structure 05Chapter 5: Spec, Status, and Resource Ownership 06Chapter 6: Finalizers and Safe Deletion 07Chapter 7: Events, Conditions, and User Feedback 08Chapter 8: Admission Webhooks and Validation 09Chapter 9: Testing Controllers with envtest 10Chapter 10: RBAC, Security, and Namespace Boundaries 11Chapter 11: Metrics, Logs, and Debugging Reconcile Loops 12Chapter 12: Versioning CRDs and Upgrade Strategy 13Chapter 13: Build a Backup Operator 14Chapter 14: Build a Tenant Provisioning Controller 15Chapter 15: Handle External API Failures Safely 16Chapter 16: Operate an Operator in Production 17Appendix E: Deeper Practice and Extra Examples

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