Docker Cookbook - Second Edition

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Even though it isn't recommended, you can also expose secrets as environmental variables. To accomplish this, create a new file called secret_env_pod.yml that looks like the following and refer the below screenshot:

apiVersion: v1kind: Podmetadata:  name: myenvpodspec:  containers:  - name: shell    image: alpine    env:      - name: MY_SECRET        valueFrom:            secretKeyRef:                name: my-secret                key: secret.txt    command:      - "bin/ash"      - "-c"      - "sleep 10000"