anchor.diff:      git \
       graphviz \
       htop \
  -    libpython2-dev \
  +    libpython-dev \
       lsof \
       psmisc \
       python \
  
positive.code: FROM ubuntu:focal
  MAINTAINER https://github.com/cloudfoundry-incubator/diego-dockerfiles
  
  ARG go_version
  
negative.code: 
  RUN mkdir -p $GOPATH
  
  # install build dependencies
  # - graphviz is for rendering heap w/ pprof
  RUN \
  