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Updated README.md "Restoring..." section example (#56)

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Edited the "Restoring a volume from a backup" section example to be able to better differentiate between the names of the temporary restore container and the name of the mounted restore volume.
New example container name: temp_restore_container
The restore volume name remains the same: backup_restore

Also changed "one-off container" to "once-off container".
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Fridgemagnet 2022-02-04 11:52:59 +01:00 committed by GitHub
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@ -429,12 +429,12 @@ In case you need to restore a volume from a backup, the most straight forward pr
```console
tar -C /tmp -xvf backup.tar.gz
```
- Using a temporary one-off container, mount the volume (the example assumes it's named `data`) and copy over the backup. Make sure you copy the correct path level (this depends on how you mount your volume into the backup container), you might need to strip some leading elements
- Using a temporary once-off container, mount the volume (the example assumes it's named `data`) and copy over the backup. Make sure you copy the correct path level (this depends on how you mount your volume into the backup container), you might need to strip some leading elements
```console
docker run -d --name backup_restore -v data:/backup_restore alpine
docker cp /tmp/backup/data-backup backup_restore:/backup_restore
docker stop backup_restore
docker rm backup_restore
docker run -d --name temp_restore_container -v data:/backup_restore alpine
docker cp /tmp/backup/data-backup temp_restore_container:/backup_restore
docker stop temp_restore_container
docker rm temp_restore_container
```
- Restart the container(s) that are using the volume