anchor.diff:  # Add Airstack core commands
   # This should appear as late in the Dockerfile as possible to make builds as
   # fast as possible.
  -ADD core /package/airstack/core
  -RUN ln -sv /package/airstack/core/command/core-* /command/
  +COPY core /package/airstack/core
  +RUN ln -s /package/airstack/core/command/core-* /command/
   
   #
   # RUNLEVEL 1
  
positive.code: ################################################################################
  
  # Add commands required for building images.
  ADD core/build /package/airstack/build
  RUN set -e; \
    mkdir -v /command; \
    ln -sv /package/airstack/build/core-* /command/
  
negative.code: #
  
  # dropbear
  COPY services/dropbear /package/airstack/dropbear
  EXPOSE 22
  
  # serf
  COPY services/serf /package/airstack/serf
  EXPOSE 7946
  
  # haproxy
  COPY services/haproxy /package/airstack/haproxy
  
  # socklog-remote
  COPY services/socklog-remote /package/airstack/socklog-remote
  
  
  ################################################################################
  