anchor.diff:  RUN apt-get update
   
   # Install Salt Master
  -RUN apt-get install -y salt-master
  +RUN apt-get install -y -q --no-install-recommends \
  +            salt-master
   
   # Make this Salt Master, Master of Masters
   RUN echo "order_masters: True" > /etc/salt/master.d/syndic.conf
  -
  -# Set the timezone
  -RUN echo "US/Central" > /etc/timezone; dpkg-reconfigure tzdata
   
   # Add runit scripts
   ADD ./files/runit/ /etc/service/
  
positive.code: RUN chmod 0755 -Rv /etc/service/
  
  # SSH Config
  ADD ./files/ssh/sshd_config /etc/ssh/sshd_config
  
  # Clean up APT when done.
  RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
  # Use baseimage-docker's init system.
  CMD ["/sbin/my_init"]
  
negative.code: 
  MAINTAINER github.com/jasonswindle
  
  # Set correct environment variables.
  ENV HOME /root
  
  # Set root's password
  RUN echo "root:changeme" | chpasswd
  
  # Add the user rsync, touch the authorized_keys file, chown
  RUN useradd rsync_user --create-home
  RUN touch /home/rsync_user/.ssh/authorized_keys
  RUN chown rsync_user:rsync_user -R /home/rsync_user/.ssh \
              && chmod 0700 /home/rsync_user/.ssh \
              && chmod 0644 /home/rsync_user/.ssh/authorized_keys
  
  # Update apt's cache
  RUN apt-get update
  
  ## Install what we need
  RUN apt-get install -y -q --no-install-recommends \
              python-pip \
              man \
              wget \
              sudo \
              software-properties-common \
              locales \
              ca-certificates \
              ntp
  
  # Ensure UTF-8
  RUN locale-gen en_US.UTF-8 && update-locale
  
  # Set the timezone
  RUN echo "US/Central" > /etc/timezone && dpkg-reconfigure --frontend noninteractive tzdata
  
  # Install Salt Master (of Masters)
  RUN add-apt-repository ppa:saltstack/salt
  