anchor.diff:    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/*
  +  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
  
positive.code: 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 && \
    apt-get update -q && \
    apt-get --no-install-recommends -y install \
      supervisor \
      binutils \
      wget \
      openjdk-7-jre-headless \
      jsvc \
      mongodb-server && \
    wget -nv https://www.ubnt.com/downloads/unifi/$UNIFI_VERSION/unifi_sysvinit_all.deb && \
  
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
  