anchor.diff:  # {{{
   FROM nginx:stable-alpine
   
  -COPY --from=jekyll-builder /app/_site /usr/share/nginx/html
  +COPY --from=jekyll-builder /app/_deploy /usr/share/nginx/html
   
   RUN ["nginx"]
   # }}}
  
positive.code: 
  ADD Gemfile* /app/
  
  RUN gem install --update bundler execjs && \
      bundle install --deployment
  
  ADD . /app
  COPY --from=node-builder /app/src/node_modules ./src/node_modules
  
  RUN ["bundle", "exec", "jekyll", "build", "--verbose", "--trace"]
  
  RUN rm -rvf /app/src/node_modules/
  
  
negative.code: RUN mkdir -p /app/src
  ADD src/package* /app/src/
  WORKDIR /app/src
  VOLUME /app/src/node_modules
  RUN npm install
  
  # }}}
  