decontenerize.sh

Proof of concept. Turn docker container into bootable disk image. Contains a lot of hardcoded stuff and has some dependecis.

What it does

• Pulls rootfs out of docker contaienr
• Creates a qcow2 disk image with one parititon spanning it.
• Copies rootfs onto the partition.
• Copies current kernel and installs grub.
• Copies overlay onto the partition.

Overlay

It conatins minimalistic init binary, some config files and scriptable init hook (overlay/sbin/init.sh).

Demo