CODEWITHSUNDEEP
docker
Alexander Popov
Alexander Popov

Reputation: 24875

How to name a volume, created by Dockerfile

If I start a container from an image, the Dockerfile of which has an entry like this:

VOLUME ["/data"]

with what subcommand of docker run should I start a container, so that when I list the volumes via docker volume ls, I see the name I gave to the volume and not some long random hash?

Upvotes: 0

Views: 154

Answers (1)

David Maze
David Maze

Reputation: 158676

If you use the ordinary docker run -v option to mount something on that same path, Docker won't create an anonymous volume there.

docker volume create something
docker run -v something:/data ...

In fact, you don't need a Dockerfile VOLUME directive to do this: you can mount a volume or host directory on to any container path regardless of whether or not it's declared as a VOLUME directory. There's not a lot of benefits to having that in the Dockerfile, and it has some confusing side effects; I'd suggest just deleting that line.

Upvotes: 2

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