Docker data volumes - viser hvordan flere kontainere får tilgang på samme data

gistfile1.txt

echo "FROM busybox" > Dockerfile
echo 'VOLUME ["/data"]' >> Dockerfile
docker build -t data_image .
docker run --name data_volume data_image
docker run -d --name k1 --volumes-from=data_volume busybox sh -c 'echo "hei" > /data/hilsen.txt; sleep 60'
docker run -d --name k2 --volumes-from=data_volume busybox  sh -c 'echo "yo!" >> /data/hilsen.txt; sleep 60'
docker run --rm --volumes-from=data_volume busybox cat /data/hilsen.txt
> hei
> yo!