anchor.diff:      apt-get clean && \
       rm -rf /var/lib/apt/lists/*
   
  +# Get OpenCv 3.1.0
   RUN wget -O opencv.zip https://github.com/Itseez/opencv/archive/3.1.0.zip \
     && unzip opencv.zip
   
  +# Get contrib repo for SIFT and SURF
   RUN wget -O opencv_contrib.zip https://github.com/Itseez/opencv_contrib/archive/3.1.0.zip \
     && unzip opencv_contrib.zip
   
  +# Install pip and some nice packages
   RUN apt-get update && apt-get install -y python-pip
   RUN pip install ipykernel
   RUN pip3 install --upgrade pip
  
positive.code:         && \
      python -m ipykernel.kernelspec
  
  RUN cd opencv-3.1.0/  \
      && mkdir build \
      && cd build \
  
negative.code:     -D PYTHON_EXECUTABLE=/usr/bin/python .. \
      && make -j4 \
      && make install \
      && ldconfig
  
  # Remove unnecessary folders and archives
  RUN rm -rf opencv*
  
  # Install Tensorflow CPU
  RUN pip3 --no-cache-dir install \
      http://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.12.0rc0-cp35-cp35m-linux_x86_64.whl
  