anchor.diff:          autoconf \
           curl \
           git \
  +        gpg-agent \
           lib32stdc++6 \
           lib32z1 \
           lib32z1-dev \
  
positive.code:         openjdk-8-jdk \
          openssh-client \
          pkg-config \
          python-software-properties \
          ruby-full \
          software-properties-common \
          unzip \
  
negative.code: FROM ubuntu:18.04
  
  MAINTAINER Ming Chen
  
  