Let’s create a mutating Kubernetes admission controller using controller runtime, a set of go libraries for building controllers. Controller-runtime will wire up additional configuration into a pod so that cluster users can depend on their applications having certain environment variables and/or sockets available at runtime, without having to understand the details.
Developers that want to improve the experience of running applications in a Kubernetes cluster and reduce the burden on users by eliminating toil and tribal knowledge.
Go programming, Kubernetes webhooks, client-go, and the Kubernetes API
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