anchor.diff:  
   # UTF-8 by default
   ENV LANG=C.UTF-8 \
  -LC_ALL=C.UTF-8 \
   JAVA_HOME=/opt/jdk/zulu-jdk8 \
   ANT_HOME=/usr/share/java/apache-ant/apache-ant-1.10.1
   ENV PATH=${PATH}:${JAVA_HOME}/bin:/opt/bin:${ANT_HOME}/bin
  
positive.code:     && curl -Ls http://www-us.apache.org/dist//ant/binaries/apache-ant-1.10.1-bin.tar.gz \
      | tar --exclude=apache-ant-1.10.1/manual* -zxf - \
      && chown -R root:root /opt/jdk/zulu-jdk8 \
      && ls -al /tmp \
      && rm -fr /var/cache/apk/* /tmp/*
  
  ENTRYPOINT ["/opt/jdk/zulu-jdk8/bin/java", "-version"]
  
negative.code:     && cd /opt/jdk \
      && curl -Ls http://cdn.azul.com/zulu/bin/zulu8.20.0.5-jdk8.0.121-linux_x64.tar.gz \
      | tar -X /tmp/xlist --transform=s/zulu8.20.0.5-jdk8.0.121-linux_x64/zulu-jdk8/g -xzvf - \
      && curl -Ls http://cdn.azul.com/zcek/bin/ZuluJCEPolicies.zip > ZuluJCEPolicies.zip \
      && unzip ZuluJCEPolicies.zip \
      && cp -vr ZuluJCEPolicies/* /opt/jdk/zulu-jdk8/jre/lib/security/ \
      && rm -fr ZuluJCEPolicies* \
      && cd /opt \
      && curl -Ls http://www-us.apache.org/dist/maven/maven-3/3.5.0/binaries/apache-maven-3.5.0-bin.tar.gz \
  