anchor.diff: -FROM ruby:2.7.2-slim-buster as Ruby
  +FROM ruby:2.7.2-alpine as Ruby
   
   ##################################################
   # Build Stage
  
positive.code: 
  ENV RACK_ENV production
  
  RUN apt-get update \
      && apt-get install -y --no-install-recommends \
          gcc \
          make \
      && gem install bundler -v 2.0.2 \
      && bundle config --global frozen true \
      && bundle config --global no-cache 'true' \
      && bundle config --global without 'development test'
  
  WORKDIR /usr/src/app
  
  
negative.code: 
  ENV RACK_ENV production
  
  RUN apk add --no-cache imagemagick
  
  COPY --from=Build /usr/local/bundle /usr/local/bundle
  COPY --from=Build /usr/src/app /usr/src/app
  