anchor.diff:  RUN for x in \
       photutils \
       fitsio==0.9.12 \
  -    ; do pip3 --no-cache-dir install $x; done
  +    ; do pip --no-cache-dir install $x; done
   
   ENV PYTHON python3
   ENV PYTHON_CONFIG python3-config
  
positive.code:     && python3 setup.py install
  
  # python = python3
  RUN ln -s /usr/bin/python3 /usr/bin/python
  
  # unwise_psf
  RUN git clone https://github.com/legacysurvey/unwise_psf.git \
  
negative.code:     libcfitsio-bin \
      libgoogle-glog-dev \
      libceres-dev \
      # # Remove APT files
      && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
  #     python3 \
  #     python3-dev \
  #     python3-pip \
  #     python3-pil \
  #     python3-tk \
  
  COPY --from=builder /usr/local /usr/local
  COPY --from=builder /opt/conda /opt/conda
  
  RUN pip --no-cache-dir install cython ipython
  
  WORKDIR /src
  
  