[2020-12-08]

Dockerイメージから内容物を抽出する

docker pull alpine:3
docker save -o out.tar alpine:3
mkdir out
tar xvf out.tar -C out/
cd out/6709f754bd0ccbbea9a7481e92772a494cca1543b3421978edff62bc5de16662
tar xvf layer.tar -C layer/
cd layer
# here is root directory