Update README.md

added hint to use -v for removal of volumes associated with the container when deleting it (to avoid orphaned volume folders on the host)
jasonADP · Mar 15, 2015 · 51402f4 · 51402f4
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diff --git a/README.md b/README.md
@@ -112,6 +112,8 @@ If you want to run and then interact with a container, `docker start`, then spaw
 
 If you want a transient container, `docker run --rm` will remove the container after it stops.
 
+If you want to remove also the volumes associated with the container, the deletion of the container must include the -v switch like in `docker rm -v`.
+
 If you want to poke around in an image, `docker run -t -i <myimage> <myshell>` to open a tty.
 
 If you want to map a directory on the host to a docker container, `docker run -v $HOSTDIR:$DOCKERDIR`.  Also see [Volumes](https://github.com/wsargent/docker-cheat-sheet/#volumes).