An example of using --volumes-from option in Docker

show-volumes-from-docker-option.sh

#!/usr/bin/env bash

docker container rm -f writer reader
docker volume rm testdata

docker container run --mount source=testdata,target=/tmp/data --name=writer -d  alpine  /bin/sh -c 'while echo $(( m += 1 )) >> /tmp/data/1 ; do sleep 5 ; done'
docker container inspect --format '{{.Mounts}'} writer
docker container run --volumes-from writer --name=reader -d alpine /bin/sh -c 'while true  ; do  sleep 600 ; done'
docker container inspect --format '{{.Mounts}'} reader
docker container exec -it reader tail -f  /tmp/data/1