anchor.diff:  WORKDIR /tmp/plantcv
   
   # Install PlantCV Python prerequisites
  -RUN pip install -r requirements.txt
  +RUN pip install --quiet -r requirements.txt
   
   # Install PlantCV
   RUN python setup.py install
  
positive.code: MAINTAINER PlantCV <ddpsc.plantcv@gmail.com>
  
  # Update package list and install dependencies
  RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
      apt-get install -y --no-install-recommends build-essential ca-certificates libgtk2.0-0 sqlite3 wget && \
      apt-get clean
  
  # Install conda
  RUN wget https://repo.continuum.io/miniconda/Miniconda2-latest-Linux-x86_64.sh -O /tmp/miniconda.sh
  
negative.code: ENV PYTHONPATH /opt/conda/lib/python2.7/site-packages:$PYTHONPATH
  
  # Install Python and OpenCV with conda
  RUN conda install --quiet --yes --channel menpo python=2.7 opencv=2.4.11
  
  # Create a PlantCV working directory
  RUN mkdir -p /tmp/plantcv
  