anchor.diff:  
   ENV HOME /home/python
   
  -WORKDIR /home/python
  +WORKDIR $HOME
   
   ###
   # Install miniconda
   ###
   
  -RUN mkdir -p /home/python/downloads
  +RUN mkdir -p $HOME/downloads
   
  -RUN cd /home/python/downloads && curl -SL \
  +RUN cd $HOME/downloads && curl -SL \
     http://repo.continuum.io/miniconda/Miniconda-latest-Linux-x86_64.sh -o \
     Miniconda-latest-Linux-x86_64.sh
   
  -RUN /bin/bash /home/python/downloads/Miniconda-latest-Linux-x86_64.sh -b -p \
  -  /home/python/anaconda/
  +RUN /bin/bash $HOME/downloads/Miniconda-latest-Linux-x86_64.sh -b -p \
  +  $HOME/anaconda/
   
  -ENV PATH /home/python/anaconda/bin:$PATH
  +ENV PATH $HOME/anaconda/bin:$PATH
   
   RUN conda update --yes --quiet conda
   
  -ADD environment.yml /home/python/
  +ADD environment.yml $HOME/
   
  -RUN conda env update --name root -f /home/python/environment.yml
  +RUN conda env update --name root -f $HOME/environment.yml
   
   ###
   # Work volume
   ###
   
  -RUN mkdir -p /home/python/work
  +RUN mkdir -p $HOME/work
   
  -WORKDIR /home/python/work
  +WORKDIR $HOME/work
   
  -VOLUME /home/python/work
  +VOLUME $HOME/work
   
   ###
   # Wrapping up some stuff
  
positive.code: 
  USER root
  
  RUN rm -rf /home/python/downloads/*
  
  RUN chown -R python:python /home/python/
  
  ###
  # Start container
  
negative.code: 
  USER python
  
  ADD .bashrc $HOME/
  
  CMD bash
  
  