SO YOU WANNA WRITE KUBERNETES CONTROLLERS?

Summary from the TLDR Web Dev newsletter

This blog post discusses common pitfalls in Kubernetes controller development. Important aspects include designing CRDs following Kubernetes API conventions, building single-responsibility controllers, and implementing a well-structured `Reconcile()` method. Developers also need to understand cached clients, handle reconciliation return values correctly, and use the expectations pattern to account for asynchronous updates and stale data in the cache.