anchor.diff:  
   # Configure timezone and locale
   RUN apt-get -qq update \
  -  && apt-get install -y language-pack-en-base \
  +  && apt-get install -y language-pack-en-base tzdata \
     && echo "America/Toronto" > /etc/timezone \
     && ln -fs /usr/share/zoneinfo/Canada/Eastern /etc/localtime && dpkg-reconfigure -f noninteractive tzdata \
     && echo "LANG=en_US.UTF-8" > /etc/default/locale \
  
positive.code:   && apt-get -qq update \
    && apt-get install -y \
      git \
    && apt-get clean autoclean \
    && apt-get autoremove -y --purge \
    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
  
negative.code: ENV PATH /root/.local/bin:$PATH
  ENV PATH $NVM_DIR/version/node/v$NODE_VERSION/bin:$PATH
  ENV NODE_PATH $NVM_DIR/version/node/v$NODE_VERSION/lib/node_modules
  ENV EDITOR /usr/bin/vim
  
  USER root
  
  