docker build . -t $IMAGE_TAG \
--build-arg user=$USER \
--build-arg host_key="$HOST_KEY" \
--no-cache
docker run -it -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
--cap-add SYS_ADMIN \
$IMAGE_TAG:latest
docker exec -it <CONTAINER> /bin/zsh
docker push $IMAGE_TAG
export PROJECT_NAME='project'
docker tag $IMAGE_TAG gcr.io/$PROJECT_NAME/$IMAGE_NAME
docker push gcr.io/$PROJECT_NAME/$IMAGE_NAME