Kubernetes Admission Webhook Tutorial - Build Your Own Policy Engine

Learn to build a custom Kubernetes policy engine from scratch using Validating Admission Webhooks in this comprehensive 2 hour 27 minute live coding session. Discover how to intercept pod deployments before they're saved in etcd, enforce custom compliance rules on container images, automatically reject untrusted workloads, and strengthen supply chain security at the point of admission. Master the fundamentals of admission control by understanding how it works under the hood and design policies tailored to your specific environment. Explore Kubernetes' native extensibility features as an alternative to existing policy tools like Kyverno, gaining hands-on experience with building your own guardrails and security controls. Develop practical skills in DevSecOps practices while working with Go programming language to create robust admission controllers that enhance your cluster's security posture.