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Merge pull request #19279 from dvdksn/storage-anon-volumes-not-reused 

storage: clarify that anonymous volumes arent reused
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David Karlsson 2024-02-01 14:46:44 +01:00 committed by GitHub
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@ -77,9 +77,13 @@ When you mount a volume, it may be named or anonymous. Anonymous volumes are
given a random name that's guaranteed to be unique within a given Docker host.
Just like named volumes, anonymous volumes persist even if you remove the
container that uses them, except if you use the `--rm` flag when creating the
container. Docker automatically removes anonymous volume mounts for containers
created with the `--rm` flag. See [Remove anonymous
volumes](volumes.md#remove-anonymous-volumes).
container, in which case the anonymous volume is destroyed.
See [Remove anonymous volumes](volumes.md#remove-anonymous-volumes).
If you create multiple containers after each other that use anonymous volumes,
each container creates its own volume.
Anonymous volumes aren't reused or shared between containers automatically.
To share an anonymous volume between two or more containers,
you must mount the anonymous volume using the random volume ID.
Volumes also support the use of volume drivers, which allow you to store
your data on remote hosts or cloud providers, among other possibilities.