anchor.diff:      mkdir -p $GALAXY_CONFIG_DIR $GALAXY_CONFIG_DIR/web && \
       chown -R $GALAXY_USER:$GALAXY_USER $GALAXY_CONFIG_DIR && \
       $GALAXY_VIRTUAL_ENV/bin/pip2 install pip --upgrade && \
  -    $GALAXY_VIRTUAL_ENV/bin/pip2 install --extra-index-url https://wheels.galaxyproject.org/ uwsgi -v --pre
  +    $GALAXY_VIRTUAL_ENV/bin/pip2 install --extra-index-url https://wheels.galaxyproject.org/ uwsgi -v --pre && \
  +    rm -rf ~/.cache/
   
   RUN su $GALAXY_USER -c "cp $GALAXY_ROOT/config/galaxy.ini.sample $GALAXY_CONFIG_FILE"
   ADD ./reports_wsgi.ini.sample $GALAXY_CONFIG_DIR/reports_wsgi.ini
  
positive.code: RUN groupadd -r postgres -g $GALAXY_POSTGRES_GID && \
      adduser --system --quiet --home /var/lib/postgresql --no-create-home --shell /bin/bash --gecos "" --uid $GALAXY_POSTGRES_UID --gid $GALAXY_POSTGRES_GID postgres
  
  RUN apt-get -qq update && apt-get install --no-install-recommends -y apt-transport-https software-properties-common wget && \
      apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D && \
      sh -c "wget -qO - https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -" && \
      sh -c "echo deb http://research.cs.wisc.edu/htcondor/ubuntu/stable/ trusty contrib > /etc/apt/sources.list.d/htcondor.list" && \
  
negative.code:     pip install --upgrade pip && \
      pip install ephemeris && \
      apt-get purge -y software-properties-common && \
      apt-get autoremove -y && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* && rm -rf ~/.cache/
  
  RUN groupadd -r $GALAXY_USER -g $GALAXY_GID && \
      useradd -u $GALAXY_UID -r -g $GALAXY_USER -d $GALAXY_HOME -c "Galaxy user" $GALAXY_USER && \
  