Runs core control loops in the Kubernetes control plane. kube-controller-manager runs controller processes that regulate the state of the cluster and perform routine tasks.
kube-controller-manager runs the core Kubernetes controllers that reconcile desired state to actual state. It executes control loops for common cluster functionality such as node lifecycle, replication, endpoints, service accounts, and garbage collection.
Use this image when you need a hardened, minimal container image for running the Kubernetes controller manager as part of a Kubernetes control plane deployment.