anchor.diff:  RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 && \
     echo "deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen" \
       | tee -a /etc/apt/sources.list.d/mongodb.list && \
  +  echo "deb http://ftp.debian.org/debian jessie-backports main" \
  +    | tee -a /etc/apt/sources.list.d/jessie-backports.list && \
     apt-get update -q && \
     apt-get --no-install-recommends -y install \
       supervisor \
       binutils \
  -    wget \
  -    openjdk-7-jre-headless \
  +    wget && \
  +  apt-get -t jessie-backports --no-install-recommends -y install \
  +    openjdk-8-jre-headless && \
  +  apt-get --no-install-recommends -y install \
       jsvc \
       mongodb-server && \
     wget -nv https://www.ubnt.com/downloads/unifi/$UNIFI_VERSION/unifi_sysvinit_all.deb && \
  
positive.code:   rm unifi_sysvinit_all.deb && \
    apt-get -y autoremove wget && \
    apt-get -q clean && \
    rm -rf /var/lib/apt/lists/* /var/cache/apt/archives/*.deb /tmp/* /var/tmp/*
  
  # Forward apporpriate ports
  EXPOSE 8080/tcp 8443/tcp 8843/tcp 8880/tcp 3478/udp
  
negative.code: 
  # Set environment variables
  ENV DEBIAN_FRONTEND noninteractive
  ENV UNIFI_VERSION 5.3.8
  
  # Add apt repository keys, non-default sources, update apt database to load new data
  # Install deps and mongodb, download unifi .deb, install and remove package
  