anchor.diff:  # - Xvfb for Python modules requiring X11
   # - GhostScript & ImageMagick for image manipulation
   RUN rpm --rebuilddb && fsudo yum install -y \
  -  gcc python-devel \
  -  python-virtualenv \
  +  gcc python34-devel \
     blas-devel lapack-devel \
     libpng-devel freetype-devel \
     hdf5-devel \
  
positive.code: # - Useful IPython libraries
  # - SciPy & netCDF4 (which expect numpy to be installed first)
  RUN source /opt/python/bin/activate && \
    pip install --upgrade setuptools pip wheel && \
    pip install \
      tornado pyzmq jinja2 \
      ipython \
      pyreadline \
      jsonschema functools32 \
      ipythonblocks numpy pandas matplotlib gitpython && \
    pip install scipy netCDF4 && \
    rm -rf /home/researcher/.cache
  
negative.code: COPY opt /opt
  COPY var /var
  
  # Because COPY doesn't respect USER...
  USER root
  RUN chown -R researcher:researcher /etc /opt /var
  USER researcher
  