Convert local Linux distro into a container.

clone_to_docker.sh

#!/bin/bash

# Usage - clone_to_docker.sh <image-name>

# This will convert the local distro to a container image and run it.
# Also works for WSL.
# The container will run as the user that created the image.
# If using WSL, you should mount (or symlink) /c to /mnt/c

image="wsl"
if ! docker image inspect "$image" -f '{{.ID}}' &>/dev/null; then
    sudo tar -c \
        --exclude /c --exclude /mnt \
        --exclude /dev --exclude /proc --exclude /run --exclude /sys \
        --exclude /var/cache/apt --exclude '/tmp/*' --exclude /boot --exclude /init \
        --exclude /var/lib/docker \
        --exclude-backups \
        / | docker import --change "ENTRYPOINT su $USER" - "$image"
fi

docker run -it --network host --privileged --tmpfs /run \
    -v /var/run/docker.sock:/var/run/docker.sock \
    -v wslhome:$HOME \
    -v /c:/c \
    -w "$PWD" "$image"