anchor.diff:  ENV LC_ALL en_US.UTF-8
   ENV LANG C.UTF-8
   
  +VOLUME ["/data"]
  +RUN chown -R dugong:dugong /data
  +
   EXPOSE 8888
   
   ENTRYPOINT ["tini", "--"]
  
positive.code: COPY config/start-notebook.sh /usr/local/bin/
  COPY config/start-singleuser.sh /usr/local/bin/
  COPY config/jupyter_notebook_config.py $HOME/.jupyter/
  
  VOLUME ["/data", "/config"]
  RUN chown -R dugong:dugong /data && \
      chown -R dugong:dugong /config
  
  WORKDIR $HOME
  
  
negative.code: 
  RUN chmod 777 /var/tmp && chown -R root:root /var/tmp && chmod 777 /tmp && chown -R root:root /tmp
  
  USER dugong
  WORKDIR /data
  