Box 1: volumeMounts -
Example:
volumeMounts:
- mountPath: /mnt/secrets
name: secretvolume1
volumes:
- name: secretvolume1
secret:
mysecret1: TXkgZmlyc3Qgc2VjcmV0IEZPTwo=
Box 2: volumes -
Box 3: secret -
Reference:
https://docs.microsoft.com/en-us/azure/container-instances/container-instances-volume-secret