anchor.diff:  
   
   # Install node modules
  -FROM        node:12-buster-slim as node-modules
  +FROM        node:12-bullseye-slim as node-modules
   LABEL       stage=build
   LABEL       project=avalon
   RUN         apt-get update && apt-get install -y --no-install-recommends git ca-certificates
  
positive.code: # Base stage for building gems
  FROM        ruby:2.7-buster as bundle
  LABEL       stage=build
  LABEL       project=avalon
  #RUN     echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list && \
  #dpkg --get-selections | grep hold && \
  RUN        apt-get update && apt-get upgrade -y build-essential && apt-get autoremove \
           && apt-get install -y --no-install-recommends --fix-missing \
  
negative.code: 
  
  # Download binaries in parallel
  FROM        ruby:2.7-bullseye as download
  LABEL       stage=build
  LABEL       project=avalon
  RUN         curl -L https://github.com/jwilder/dockerize/releases/download/v0.6.1/dockerize-linux-amd64-v0.6.1.tar.gz | tar xvz -C /usr/bin/
  