Building a Kubernetes Admission Controller can be a powerful way to manage and enforce policies within a cluster, especially when dealing with specific infrastructure requirements. This article details the process of developing an Admission Controller using Kotlin to address an Azure Kubernetes Service (AKS) add-on issue related to User Defined Routes (UDR). It provides practical guidance on how to implement custom checks and configurations, helping developers better control Kubernetes behavior in AKS environments.

https://eggboy.medium.com/developing-kubernetes-admission-controller-with-kotlin-fixing-aks-add-on-issue-in-udr-23418ab21d56