DevOps Articles

Back Up and Share Docker Volumes with This Extension

When you need to back up, restore, or migrate data from one Docker host to another, volumes are generally the best choice. Normally, if you want to back up a data volume, you run a new container using the volume you want to back up, then execute the tar command to produce an archive of the volume content: docker run --rm \ -v "$VOLUME_NAME":/backup-volume \ -v "$(pwd)":/backup \ busybox \ tar -zcvf /backup/my-backup.tar.gz /backup-volume

You can now back up volumes with just a few clicks using the new Volumes Backup & Share extension.

How to back up a volume to a local file in your host

A registry: pushes a local volume to any image registry, whether local (such as localhost:5000) or hosted like Docker Hub or GitHub Container Registry.