1. Get the secret, decrypt it & save in files
k get secret adam -n safe -o yaml
2. Create new secret using --from-literal
[desk@cli] $k create secret generic newsecret -n safe --from-literal=username=dbadmin --from-literal=password=moresecurepass
3. Mount it as volume of db-container of mysecret-pod
Explanation


[desk@cli] $k create secret generic newsecret -n safe --from-literal=username=dbadmin --from-literal=password=moresecurepass secret/newsecret created
[desk@cli] $vim /home/certs_masters/secret-pod.yaml
apiVersion: v1
kind: Pod
metadata:
name: mysecret-pod
namespace: safe
labels:
run: mysecret-pod
spec:
containers:
- name: db-container
image: redis
volumeMounts:
- name: secret-vol
mountPath: /etc/mysecret
readOnly: true
volumes:
- name: secret-vol
secret:
secretName: newsecret
[desk@cli] $ k apply -f /home/certs_masters/secret-pod.yaml
pod/mysecret-pod created
[desk@cli] $ k exec -it mysecret-pod -n safe - cat /etc/mysecret/username dbadmin

[desk@cli] $ k exec -it mysecret-pod -n safe - cat /etc/mysecret/password moresecurepas
