docker-move-data.MD

Stop docker

sudo service docker stop

Add docker config

Create /etc/docker/daemon.json

{ 
   "graph": "/path/to/your/docker" 
}

Copy docker data

sudo rsync -aP /var/lib/docker/ /path/to/your/docker

Rename docker dir

sudo mv /var/lib/docker /var/lib/docker.old

Restart docker

sudo service docker start

Test then delete old docker data

sudo rm -rf /var/lib/docker.old