Make a docker image

Make a docker image
method1:
$ vim Dockerfile (from a base image xxx.run-inside-4)
FROM my_test1/new_cuda8_cudnn6_trt3.0_1/caffe-multi-protocc-fix-pythonerror-run-inside-4
RUN rm -rf /root/protobuf-3.3.0
CMD ll /root/
$docker build -t image_name .

method 2:
$ docker run -it a_base_docker_image sh
$ do some changes
$ docker commit <container_id> image_name (container_id is from "docker ps")

Example: make a easy docker image
# cat /home/me/me_docker_image/Dockerfile
FROM nvidia/cuda

RUN date

CMD date