Mount AWS EFS to EKS Pod and download certificates into pod&EFS from Jfrog

Cluster information:

Kubernetes version: 1.14+
Cloud being used: (put bare-metal if not on a public cloud) AWS
Installation method: EKS pods
Host OS: linux/amd64
CNI and version:
CRI and version:

usecase: Basically i wanted to connect to external system using this .jks certificate.
I wanted to mount EFS on pod. set environment variable .
download certificates from jfrog repo into pod and in EFS.
call that certificates from EFS to namespace .
Need help is steps and also yaml config code