[Solved] Which Docker command is used to restore data from a backup tarball into a volume named myvolume? — Ans: docker run --rm -v myvolume:/data -v $(pwd):/backup busybox tar xvf... | Docker

Docker - Production Patterns

Which Docker command is used to restore data from a backup tarball into a volume named myvolume?

Adocker run --rm -v myvolume:/data -v $(pwd):/backup busybox tar xvf /backup/backup.tar -C /data

Bdocker volume create myvolume --restore /backup/backup.tar

Cdocker cp /backup/backup.tar myvolume:/data

Ddocker backup restore myvolume /backup/backup.tar

Step-by-Step Solution

Solution:

Step 1: Identify restore method using tar
Restoring data involves extracting backup tarball into the volume mount point inside a container.
Step 2: Match correct command syntax
docker run --rm -v myvolume:/data -v $(pwd):/backup busybox tar xvf /backup/backup.tar -C /data runs a temporary container mounting the volume and host directory at /backup, then extracts the tarball into it correctly.
Final Answer:
docker run --rm -v myvolume:/data -v $(pwd):/backup busybox tar xvf /backup/backup.tar -C /data -> Option A
Quick Check:
Restore command = Run container + tar extract [OK]

Quick Trick: Use tar inside a container to restore volume data [OK]

Common Mistakes:

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Which Docker command is used to restore data from a backup tarball into a volume named myvolume?