Docker in Docker Isolation for cheap

dockerconnect

if [[ $(docker inspect -f {{.State.Running}} $USER 2>/dev/null) ]]; then
docker exec -it $USER /bin/sh
else
echo "Initializing your Docker Environment..."
docker run --name $USER --privileged -d docker:dind
sleep 1
docker exec -it $USER /bin/sh
fi

dockershell

#!/bin/bash
sudo /usr/local/bin/dockerconnect

sudoers

Defaults env_keep += "USER"
%users ALL=(ALL) NOPASSWD:ALL /usr/local/bin/dockerconnect