ARM平台制作docker

sudo mkdir -p /rootfs
sudo mount -o loop deepin-pro-15.5sp2-20190813-1958-arm64.iso /rootfs
 cp -rp /rootfs/ /home/deepin/
 cd /home/deepin/rootfs/
unsquashfs -f -d unsquashfs live/filesystem.squashfs
 tar -C unsquashfs  -c . | sudo docker import - deepin:20