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jrenggli/backup-all-docker-images.sh

Created December 8, 2015 17:56
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Backup/Save all Docker Images to a compressed file
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backup-all-docker-images.sh
docker images | tail -n +2 | grep -v "none" | awk '{printf("%s:%s\n", $1, $2)}' | while read IMAGE; do
echo $IMAGE
filename="${IMAGE//\//-}"
filename="${filename//:/-}.docker-image.gz"
docker save ${IMAGE} | pigz --stdout --best > $filename
done
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jrenggli commented Dec 8, 2015

This script uses pigz (http://zlib.net/pigz/), the multi-processor version of gzip. Of course you can use simple gzip instead.

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