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kubernetes consists of master/controlplane and worker Nodes.
Control Plane Components :
. apiserver
The API server is a component of the Kubernetes controlplane that exposes the Kubernetes API. The API server is the front end for the Kubernetes control plane.
. etcd
Consistent and highly-available key value store used as Kubernetes’ backing store for all cluster data.
. kube-scheduler
schedules pods for a node
.controller-manager
It checks continuously whether the pods are running or not.
Node Components :
. kubelet
An agent that runs on each node in the cluster. It makes sure that containers are running in a Pod
. kube-proxy
Maintains network on the node.
. Docker
Deploys containers from Registries.