Docker volume backup and restore

docker-vol-fns.sh

#!/bin/sh

vol-backup() {
  docker run --rm -v $1:/data -v $(pwd):/backup busybox tar cvf /backup/$1.tar /data
}

vol-restore() {
  docker create -v $1:/data --name $1 busybox true
  docker run --rm --volumes-from $1 -v $(pwd):/backup busybox tar xvf /backup/$1.tar
  docker rm $1
}