anchor.diff:      apt-get install -y imagemagick && \
       apt-get autoremove
   
  -# Download Miniconda3 and install Python dependencies
  -RUN pip3 install numpy
  -#RUN wget --quiet https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O ~/miniconda.sh && \
  -#    /bin/bash ~/miniconda.sh -b -p /opt/conda && \
  -#    rm -rf ~/miniconda.sh
  -#RUN pip install --upgrade pip
  +# Update system-provided pip
  +RUN pip3 install --upgrade pip
   
   # Clone and install NJOY2016
   RUN git clone https://github.com/njoy/NJOY2016 /opt/NJOY2016 && \
  
positive.code:     cmake -Dstatic=on .. && make 2>/dev/null && make install
  
  # Clone and install OpenMC
  RUN git clone https://github.com/wbinventor/openmc.git /opt/openmc && \
      cd /opt/openmc && git checkout docker && mkdir -p build && cd build && \
      cmake  -Doptimize=on -DHDF5_PREFER_PARALLEL=on .. && \
      make && make install && \
      cd .. && pip3 install -e .[test]
  
  # Download cross sections (NNDC and WMP) and ENDF data needed by test suite
  #RUN ./opt/openmc/docker/docker-download-xs.sh
  RUN ./opt/openmc/tools/ci/download-xs.sh
negative.code: 
  # Setup environment variables for Docker image
  ENV FC=/usr/bin/mpif90 CC=/usr/bin/mpicc CXX=/usr/bin/mpicxx \
      PATH=/opt/openmc/bin:/opt/NJOY2016/build:$PATH \
      LD_LIBRARY_PATH=/opt/openmc/lib:$LD_LIBRARY_PATH \
      OPENMC_CROSS_SECTIONS=/root/nndc_hdf5/cross_sections.xml \
      OPENMC_MULTIPOLE_LIBRARY=/root/WMP_Library \
  