anchor.diff:  RUN mkdir /local
   COPY ./ure4.tgz /local/
   RUN chown -R docker:docker /local
  -#RUN chown -R docker:docker /UnrealEngine
   USER docker
   RUN cd /local && tar xzf ure4.tgz
   RUN cd /local/UnrealEngine && ./Setup.sh && ./GenerateProjectFiles.sh && make
   
   ######## nvidia part ######
  -#identify nvidia driver by running nvidia-smi
  -#download from http://www.nvidia.com/download/driverResults.aspx/111596/en-us
  -#ADD NVIDIA-Linux-x86_64-352.63.run /tmp/NVIDIA-DRIVER.run
   USER root
  -#ARG GDRIVER=nvidia-367
   ARG GDRIVER
   RUN DEBIAN_FRONTEND=noninteractive apt-get install -y $GDRIVER
   RUN update-locale LANG=C LANGUAGE=C LC_ALL=C LC_MESSAGES=POSIX
  
positive.code: # Base docker image
  FROM ubuntu:xenial
  
  #ADD https://dl.google.com/linux/direct/google-talkplugin_current_amd64.deb /src/google-talkplugin_current_amd64.deb
  
  RUN apt-get -y update
  RUN apt-get -y install build-essential
  
negative.code: RUN apt-get -y install unzip
  RUN apt-get -y install curl 
  RUN apt-get -y install vim 
  
  ############### Python3 ##############################
  RUN curl -o /miniconda.sh https://repo.continuum.io/miniconda/Miniconda3-4.2.12-Linux-x86_64.sh
  RUN /bin/bash /miniconda.sh -b -p /miniconda
  RUN PATH=/miniconda/bin conda install -y pyzmq
  RUN PATH=/miniconda/bin conda install -c https://conda.binstar.org/menpo opencv3 
  
  
  ######################################################
  