anchor.diff:  COPY r-packages/ph-290.r /tmp/r-packages/
   RUN r /tmp/r-packages/ph-290.r
   
  -
   ENV PATH ${CONDA_DIR}/bin:$PATH:/usr/lib/rstudio-server/bin
   
   # Set this to be on container storage, rather than under $HOME
  
positive.code: # Create user owned R libs dir
  # This lets users temporarily install packages
  ENV R_LIBS_USER /opt/r
  RUN mkdir -p ${R_LIBS_USER} && chown ${NB_USER}:${NB_USER} ${R_LIBS_USER}
  
  RUN apt-get -qq update --yes && \
      apt-get -qq install --yes \
  
negative.code: 
  WORKDIR /home/${NB_USER}
  
  # Install miniforge as root
  USER root
  COPY install-miniforge.bash /tmp/install-miniforge.bash
  RUN /tmp/install-miniforge.bash
  
  # Install conda environment as our user
  USER ${NB_USER}
  
  COPY environment.yml /tmp/environment.yml
  