Backup a Docker volume to a local tar file

#docker #backup #tar #bash

Use a temporary container to backup data from a Docker volume to a local tar file 

docker run --rm \
-v <volume>:/data -v $(pwd):/backup \
ubuntu tar cvf /backup/backup.tar /data
  • the --rm switch will clean up the container when the command completes
  • replace <volume> with the Docker volume name
  • replace ubuntu with another distribution if you want

Example 

docker run --rm \
-v paperless_media:/data -v $(pwd):/backup \
ubuntu tar cvf /backup/backup.tar /data

Restore the backup by following: Restore a Docker volume from a local tar file

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