Kubernetes FAQ

kuberentes-faq

Question 1 – Add containers to a Kubernetes pod on runtime or Allow containers to be added to a running pod

Answer:
Adding or removing containers to a pod is not possible, since the container list in the pod spec is immutable. However, you can create a POD with multiple Containers at Instantiation of pod.

Question 2 – What happens to POD if i change a Image of the container in POD spec?
Answer: Pod would be replaced with containers and POD would be restarted.

Question 3 – How come POD is in running state inspite of only 1 containers is running out of 2.
Answer: POD is in running state only when if all containers are runnning state or 1 container is running and other containers are succeeded.

Rajesh Kumar
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