anchor.diff:  # Base OS
   #############
   
  -FROM ubuntu:bionic as base_os_context
  -
  -ENV DOCKER_VERSION=5:20.10.6~3-0~ubuntu-bionic
  +FROM ubuntu:focal as base_os_context
  +
  +ENV DEBIAN_FRONTEND=noninteractive
  +
  +ENV DOCKER_VERSION=5:20.10.6~3-0~ubuntu-focal
   ENV CONTAINERD_VERSION=1.4.3-1
   
   ENV OUTDIR=/out
  
positive.code: # Ruby
  #############
  
  FROM ubuntu:bionic as ruby_tools_context
  
  # Pinned versions of stuff we pull in
  ENV AWESOMEBOT_VERSION=1.20.0
  
negative.code: # Python
  ##############
  
  FROM ubuntu:focal as python_context
  
  ENV DEBIAN_FRONTEND=noninteractive
  
  # Pinned versions of stuff we pull in
  ENV AUTOPEP8_VERSION=1.4.4
  