anchor.diff:  
   EXPOSE 8080
   ENV CATTLE_HOST_API_PROXY_MODE embedded
  -ENV CATTLE_RANCHER_SERVER_VERSION v1.2.0-pre4-rc4
  -ENV CATTLE_RANCHER_COMPOSE_VERSION v0.11.0-rc4
  +ENV CATTLE_RANCHER_SERVER_VERSION v1.2.0-pre4-rc5
  +ENV CATTLE_RANCHER_COMPOSE_VERSION v0.11.0-rc5
   ENV DEFAULT_CATTLE_RANCHER_COMPOSE_LINUX_URL   https://releases.rancher.com/compose/${CATTLE_RANCHER_COMPOSE_VERSION}/rancher-compose-linux-amd64-${CATTLE_RANCHER_COMPOSE_VERSION}.tar.gz
   ENV DEFAULT_CATTLE_RANCHER_COMPOSE_DARWIN_URL  https://releases.rancher.com/compose/${CATTLE_RANCHER_COMPOSE_VERSION}/rancher-compose-darwin-amd64-${CATTLE_RANCHER_COMPOSE_VERSION}.tar.gz
   ENV DEFAULT_CATTLE_RANCHER_COMPOSE_WINDOWS_URL https://releases.rancher.com/compose/${CATTLE_RANCHER_COMPOSE_VERSION}/rancher-compose-windows-386-${CATTLE_RANCHER_COMPOSE_VERSION}.zip
  
positive.code: COPY bin/* /usr/bin/
  
  ENV CATTLE_HOME /var/lib/cattle
  ENV DEFAULT_CATTLE_API_UI_INDEX //releases.rancher.com/ui/1.2.17
  ENV CATTLE_API_UI_URL //releases.rancher.com/api-ui/1.0.8
  ENV CATTLE_DB_CATTLE_DATABASE mysql
  ENV CATTLE_USE_LOCAL_ARTIFACTS true
  
negative.code:     curl -sL https:${CATTLE_API_UI_URL}.tar.gz | tar xvzf - -C /usr/share/cattle/war/api-ui --strip-components=1 && \
      /usr/share/cattle/install_cattle_binaries && \
      cd $CATTLE_HOME && export IFS="," &&\
      for i in $DEFAULT_CATTLE_CATALOG_URL; do rancher-catalog-service -validate -catalogUrl=$i;done && \
      for i in DATA/*; do [ -d $i ] && touch $i/.nopurge; done
  
  VOLUME /var/lib/mysql /var/log/mysql /var/lib/cattle
  
  