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Injecting Configurations from Multiple Files

Injecting Configurations from Multiple Files

In this lesson, first, we will learn to inject configuration from multiple files and then from a directory.

Creating a ConfigMap from Multiple Files

Let’s see what happens when we execute the commands that follow.

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kubectl create cm my-config \
    --from-file=cm/prometheus-conf.yml \
    --from-file=cm/prometheus.yml
kubectl create -f cm/alpine.yml
kubectl exec -it alpine -- \
    ls /etc/config

We created a ConfigMap with two files, and we created the same Pod based on the alpine.yml definition. Finally, we output the list of files from the /etc/config directory inside the Pod’s only container. The output ...

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