Certified Kubernetes Administrator CKA — Question 6

Topic 1 · Question 6 of 23

Topic 1 · Question 6

SIMULATION - Task - Reconfigure the existing deployment front-end and add a port specification named http exposing port 80/tcp of the existing container nginx. Create a new service named front-end-svc exposing the container port http. Configure the new service to also expose the individual Pods via a NodePort on the nodes on which they are scheduled.

Suggested solution

kubectl edit deployment front-end
# Add to the nginx container: ports: [{name: http, containerPort: 80, protocol: TCP}]
kubectl expose deployment front-end --name=front-end-svc --type=NodePort --port=80 --target-port=http
kubectl get service front-end-svc

The named container port lets the NodePort Service target the deployment's HTTP endpoint reliably.

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