Docker

gistfile1.txt

rm -rf /var/lib/docker/volumes/*

# Dockerfile
FROM debian:jessie
RUN mkdir /tmp/ajmo
ADD dinamo.txt /tmp/ajmo/dinamo.txt
VOLUME /tmp/ajmo

docker build -t dinamo .

docker run -it dinamo /bin/bash 
docker run -it dinamo /bin/bash 

ls /var/lib/docker/volumes  # Shows 2 volumes created

# stop, delete containers and volumes

docker run -it -v /tmp/dinamo:/tmp/ajmo dinamo /bin/bash
docker run -it -v /tmp/dinamo:/tmp/ajmo dinamo /bin/bash

ls /var/lib/docker/volumes # no directories created