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How can I tell whether or not I am running inside a kubernetes cluster? With docker I can check if /.dockerinit exist. Is there an equivalent?
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To check the version, enter kubectl version . In this exercise you will use kubectl to fetch all of the Pods running in a cluster, and format the output to pull out the list of Containers for each.
Run the docker exec command in that server to see the process running inside.
In the output, look for the --container-runtime flag and the --container-runtime-endpoint flag. If your nodes use Kubernetes v1. 23 and earlier and these flags aren't present or if the --container-runtime flag is not remote , you use the dockershim socket with Docker Engine.
You can check for KUBERNETES_SERVICE_HOST environment variable.
This variable is always exported in an environment where the container is executed.
Refer to https://kubernetes.io/docs/concepts/services-networking/connect-applications-service/#environment-variables
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