anchor.diff:      rm -rf /root/.cache && \
       rm -rf /var/cache/apk/*
   
  -ENTRYPOINT ["/init"]
  -
  -CMD []
  +EXPOSE 5000
  
positive.code: FROM alpine:3.6
  
  ARG S6_VERSION=1.21.2.1
  
  WORKDIR /srv/www
  
  
negative.code:     mv docker_files/hxl_run /etc/services.d/hxl/run && \
      mv docker_files/app.py . && \
      pip3 install --upgrade \
          gunicorn \
          python-dateutil \
          python-io-wrapper \
          requests-cache \
          unidecode \
          xlrd && \
      pip3 install --upgrade -r requirements.txt && \
      apk add --virtual .gevent-deps \
          build-base \
  