anchor.diff:  RUN mkdir /usr/share/metricbeat/data
   RUN mkdir /usr/share/metricbeat/logs
   
  -RUN chown -R metricbeat:metricbeat /usr/share/metricbeat
  -
  -#USER metricbeat
  -
   CMD /usr/local/bin/metricbeat-docker
  
positive.code: 
  ENV PATH /usr/share/metricbeat/bin:$PATH
  ENV JAVA_HOME /usr/lib/jvm/java-1.8-openjdk
  
  RUN adduser -D -u 1000 -h /usr/share/metricbeat metricbeat
  
  EXPOSE 5601
  
  
negative.code:     EXPECTED_SHA=$(wget -O - ${METRICBEAT_DOWNLOAD_URL}/metricbeat/metricbeat-${ELASTIC_VERSION}-linux-x86_64.tar.gz.sha1) && \
      test $EXPECTED_SHA == $(sha1sum metricbeat-${ELASTIC_VERSION}-linux-x86_64.tar.gz | awk '{print $1}') && \
      tar zvxf metricbeat-${ELASTIC_VERSION}-linux-x86_64.tar.gz && \
      mv metricbeat-${ELASTIC_VERSION}-linux-x86_64/metricbeat . && \
      mv metricbeat-${ELASTIC_VERSION}-linux-x86_64/*.json . && \
      mv metricbeat-${ELASTIC_VERSION}-linux-x86_64/scripts . && \
  