anchor.diff:  RUN git clone https://github.com/PBrockmann/fast
   
   #====================================================================================
  -ENV FER_DIR="/opt/PyFerret-7.5.0-RHEL7-64-Python2.7"
  +ENV FER_DIR="/opt/"
   ENV FER_DSETS="/opt/fer_dsets"
   
  -ENV PYTHONPATH="${FER_DIR}/lib/python2.7/site-packages:${PYTHONPATH}"
  -ENV LD_LIBRARY_PATH="${FER_DIR}/lib/python2.7/site-packages/pyferret:${LD_LIBRARY_PATH}"
  +ENV PYTHONPATH="${FER_DIR}/lib/python3.6/site-packages:${PYTHONPATH}"
  +ENV LD_LIBRARY_PATH="${FER_DIR}/lib/python3.6/site-packages/pyferret:${LD_LIBRARY_PATH}"
   
   ENV FER_DATA=". ${FER_DSETS}/data ${FER_DIR}/contrib /opt/fast"
   ENV FER_DESCR=". ${FER_DSETS}/descr"
  
positive.code: #====================================================================================
  FROM python:2.7.16-buster
  
  #====================================================================================
  LABEL maintainer="Patrick.Brockmann@lsce.ipsl.fr"
  
negative.code: 
  #====================================================================================
  RUN apt-get update && apt-get -y install wget git
  RUN apt-get update && apt-get -y install r-base
  
  RUN conda install -c conda-forge pyferret
  
  RUN pip install notebook
  RUN pip install numpy pandas bokeh
  