anchor.diff:  FROM python:2-alpine
  -MAINTAINER Jakub Warmuz <jakub@warmuz.org>
  -MAINTAINER William Budington <bill@eff.org>
   
   EXPOSE 80 443
   VOLUME /etc/letsencrypt /var/lib/letsencrypt
  
positive.code: COPY . src
  
  RUN apk add --no-cache --virtual .certbot-deps \
          dialog \
          augeas-libs \
          libffi \
          libssl1.0 \
          wget \
          ca-certificates \
          binutils
  RUN apk add --no-cache --virtual .build-deps \
  
negative.code:     && pip install --no-cache-dir \
          --editable /opt/certbot/src/acme \
          --editable /opt/certbot/src \
      && apk del .build-deps
  