how to use aws efs on kubernetes1.19

1. get efs app

   helm repo add helm-stable https://kubernetes-charts.storage.googleapis.com
   helm repo update
   helm pull helm-stable/efs-provisioner --untar
   

2. install efs

   edit values.yaml, modified dnsName, path and isDefault, etc.

   helm install efs efs-provisioner
   tail -n 1 /etc/fstab
   dns:/ /efs nfs default 0 0
   

3. references:

   https://www.padok.fr/en/blog/efs-provisioner-kubernetes