Kubernetes Admission Webhook Tutorial – Build Your Own Policy Engine

About this lesson

Can you build your own Kubernetes policy engine instead of relying on tools like Kyverno? Absolutely — and that’s exactly what Shubham demonstrated in this live coding session replay. Instead of just showing what’s possible with existing solutions, Shubham walks through how to create a custom policy engine from scratch using a Kubernetes Validating Admission Webhook. You’ll see how to: 🔹 Intercept pod deployments before they’re saved in etcd 🔹 Enforce custom compliance rules on container images 🔹 Reject untrusted workloads automatically 🔹 Strengthen your supply chain security at the point of admission This is more than just another Kubernetes tutorial—it’s a step-by-step guide to building your own guardrails using Kubernetes’ native extensibility. By the end, you’ll understand exactly how admission control works under the hood and how to design policies tailored to your environment. 📺 Watch the full replay and learn how to build it yourself! #Kubernetes #DevSecOps #CloudNative #Security #AdmissionController #PolicyEngine #K8s #Go ►►►Connect with me ►►► ► Kubesimplify: https://kubesimplify.com/newsletter ► Newsletter: https://saiyampathak.com/newsletter ► Discord: https://saiyampathak.com/discord ► Twitch: https://saiyampathak.com/twitch ► YouTube: https://saiyampathak.com/youtube.com ► GitHub: https://github.com/saiyam1814 ► LinkedIn: https://www.linkedin.com/in/saiyampathak/ ► Website: https://saiyampathak.medium.com/ ► Instagram: http://instagram.com/saiyampathak/ ► https://twitter.com/saiyampathak

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