Creating a Amazon EFS mount volume in a task Definition with Ansible

To mount an EFS file system in an ECS task or container running on EC2, you need to define a volume in the task definition that references the EFS file system ID. Then in the container definition, define a mountPoint that mounts the volume.

Please find the procedure here in the doc: https://docs.aws.amazon.com/efs/latest/ug/mounting-fs-mount-helper-ec2-linux.html