Kubernetes Pod Creation — What happen when we are create a pod?

apiVersion: v1
kind: Pod
name: pod-demo
- name: webserver
image: nginx
- name: webserver
containerPort: 80
kubectl apply -f pod.yaml

Store the state in Etcd

The kubelet — the Kubernetes agent

  1. The Container Runtime Interface (CRI) — the component that creates the containers for the Pod.
  2. The Container Network Interface (CNI) — the component that connects the containers to the cluster network and assigns IP addresses.
  3. The Container Storage Interface (CSI) — the component that mounts volumes in your containers.
docker run -d <image-name>
  1. Generating a valid IP address for the Pod.
  2. Connecting the container to the network.



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