anchor.diff: -FROM ubuntu:trusty
  +FROM ubuntu:bionic
   MAINTAINER Graylog, Inc. <hello@graylog.com>
   
  -ENV GO_VERSION 1.10.3
  +ENV GO_VERSION 1.11.2
   
   ENV DEBIAN_FRONTEND noninteractive
   ENV JAVA_HOME /usr/lib/jvm/java-8-oracle/jre/bin/java
  
positive.code:     chown -R jenkins:jenkins /opt/go/pkg && \
      chown -R jenkins:jenkins /go
  
  RUN add-apt-repository -y ppa:masterminds/glide && \
      apt-get update -y && \
      apt-get install -y glide
  
  RUN apt-get install -y binutils-mingw-w64 gcc-mingw-w64 rpm nsis
  
  # Workaround for: https://bugs.launchpad.net/ubuntu/+source/ruby2.0/+bug/1777174
  RUN apt-get update && \
      apt-get -y install ruby2.0=2.0.0.484-1ubuntu2 libruby2.0=2.0.0.484-1ubuntu2 libffi-dev ruby2.0-dev build-essential
  
  RUN ruby2.0 -S gem install --no-rdoc --no-ri fpm-cookery
  
  VOLUME /home/jenkins/workspace
  
  
negative.code:     chown -R jenkins:jenkins /home/jenkins/workspace
  
  RUN apt-get install -y --reinstall ca-certificates && \
      add-apt-repository ppa:webupd8team/java && \
      apt-get update && \
      echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | sudo /usr/bin/debconf-set-selections && \
      apt-get install -y --force-yes oracle-java8-installer && \
  