In your deployment manifest use add below in your create Options in edge Hub
"HostConfig": {
"Binds": [
"/etc/aziot/storage/:/storage/"
]
}
In above example ,your linux machine have a folder "/etc/aziot/storage/ is binded with :/storage/ in docker container.
Valid in iotedge version >=1.2
Question is old,adding if some other user is looking for this