anchor.diff: -FROM ubuntu:16.10
  +FROM mysql:5.7
   MAINTAINER Liang Ding <dl88250@gmail.com>
   
   RUN apt-get update
  
positive.code: RUN cd /sym && mvn package -Dmaven.test.skip=true
  RUN mv /sym/target/symphony.war /jetty/webapps/ROOT.war
  
  EXPOSE 8080
  CMD ["/usr/bin/mysqld_safe"]
  
negative.code: ENV JAVA_HOME /jdk/jdk1.8.0_111
  ENV PATH $PATH:$JAVA_HOME/bin
  
  RUN service mysql restart && mysql -uroot -e "CREATE DATABASE `b3log_symphony` DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;"
  
  
  RUN cd /
  