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Navigating Webhook Challenges in Kubernetes
This chapter explores the critical role of testing in webhook implementation, particularly when integrating with HashiCorp Vault. It discusses the complexities of using custom mutating webhooks and shares insights on troubleshooting, including the importance of detailed unit testing to prevent system outages caused by webhook errors. Additionally, the chapter introduces Aspect-Oriented Programming (AOP) topics and the security considerations surrounding webhooks, emphasizing the declarative nature of Kubernetes resources.