Скачать или смотреть Advanced Kubernetes | Building a Mutating Admission Webhook from Scratch to Enforce Pod Labels

✔️𝐏𝐥𝐞𝐚𝐬𝐞 𝐞𝐧𝐜𝐨𝐮𝐫𝐚𝐠𝐞 𝐮𝐬 𝐛𝐲 𝐬𝐮𝐛𝐬𝐜𝐫𝐢𝐛𝐢𝐧𝐠 𝐭𝐨 𝐭𝐡𝐞 𝐜𝐡𝐚𝐧𝐧𝐞𝐥 𝐭𝐨 𝐮𝐩𝐥𝐨𝐚𝐝 𝐦𝐚𝐧𝐲 𝐦𝐨𝐫𝐞 𝐯𝐢𝐝𝐞𝐨𝐬.

In this video, we build a Kubernetes Mutating Admission Webhook from scratch that automatically copies namespace labels to pods at creation time.

This is a real-world production use case used by platform and DevOps teams to enforce:

Environment labels (prod, staging, dev)
Team ownership
Cost allocation

Monitoring and policy enforcement

You’ll see:
How MutatingAdmissionWebhook works internally
Why SAN TLS certificates are mandatory in Kubernetes
How RBAC breaks your webhook if you miss one permission
Live testing with real pod creation
Common errors like x509 CN legacy, 403 Forbidden, infinite pod creation, and how to fix them
This is not theory — everything is demonstrated practically.

📌 Blog & GitHub Repository
📖 Detailed Blog Walkthrough
  / implementing-a-kubernetes-mutating-webhook...  

💻 Complete Source Code (GitHub)
https://github.com/Manohar-1305/mutat...

🧩 Topics Covered
Kubernetes Admission Controllers
Mutating Webhook Architecture
Namespace → Pod label propagation
TLS SAN certificates for webhooks
RBAC for admission webhooks
Debugging webhook failures
Production-grade Kubernetes patterns

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