anchor.diff:          python-wheel \
           rsync \
           software-properties-common \
  -        snappy \
           sudo \
           valgrind \
           zlib1g-dev \
  
positive.code:         git \
          gnupg-agent \
          libbz2-dev \
          libcurl4-openssl-dev \
          libfuse-dev \
          libprotobuf-dev \
          libprotoc-dev \
  
negative.code: # Dockerfile for installing the necessary dependencies for building Hadoop.
  # See BUILDING.txt.
  
  FROM ubuntu:bionic
  
  WORKDIR /root
  
  