anchor.diff: -FROM nvidia/cuda:8.0-cudnn6-devel-ubuntu14.04
  +FROM nvidia/cuda:9.0-cudnn7-devel-ubuntu16.04
   # TODO: reduce size and complexity of image.
   
   RUN apt-get update && apt-get install -y \
  
positive.code: 
  
  # -------------------- Debug --------------------
  RUN apt-get install -y vim net-tools
  
  
  
  # -------------------- Others --------------------
  
negative.code: 
  RUN conda install -y -c conda-forge python-lmdb \
          opencv 
  
  RUN conda install -y -c conda-forge numpy
  
  