anchor.diff:  # Install default plugins
   COPY config/plugins.sh /usr/local/bin/plugins.sh
   COPY config/plugins.txt /tmp/plugins.txt
  +RUN /usr/local/bin/plugins.sh /tmp/plugins.txt
   
  -RUN /usr/local/bin/plugins.sh /tmp/plugins.txt
  +# Jenkins log directory is a volume, so logs
  +# can be persisted and survive image upgrades
  +VOLUME /var/log/jenkins
   
   # Switch to the jenkins user
   USER ${user}
  
positive.code: FROM jenkins:2.32.1-alpine
  MAINTAINER Daniel Eagle
  
  # Switch to root in order to have right permissions
  
negative.code:   && chown -R ${user}:${user} /var/log/jenkins \
    && chown -R ${user}:${user} /var/cache/jenkins
  
  # Set Java and Jenkins Options
  ENV JAVA_OPTS="-Xmx8192m -Djava.awt.headless=true -Dmail.smtp.starttls.enable=true -Duser.timezone=America/Chicago"
  ENV JENKINS_OPTS="--logfile=/var/log/jenkins/jenkins.log  --webroot=/var/cache/jenkins/war"
  