How can I restore a Docker volume from a backup?
To restore a Docker volume, you can use the docker cp
command to copy data from your backup to the volume.
What if I have a tar file of the volume backup?
You can use the docker run
command to create a temporary container and extract the tar file into the volume.
Can you give me an example command for that?
Sure! You can run: docker run --rm -v your_volume_name:/data -v /path/to/backup:/backup alpine sh -c 'cd /data && tar xvf /backup/backup.tar'
.
Is there a way to check if the restore was successful?
Yes, you can check the contents of the volume by running a container that uses the volume and inspecting the files.
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