anchor.diff:      ( \
         gosu wekan:wekan git clone --recursive git://github.com/meteor/meteor.git /home/wekan/.meteor && \
         cd /home/wekan/.meteor && \
  -      gosu wekan:wekan git checkout release/METEOR@1.4.4-rc.9 && \
  +      gosu wekan:wekan git checkout release/METEOR@${METEOR_EDGE} && \
         gosu wekan /home/wekan/.meteor/meteor -- help \
       ) && \
       ###########################
  
positive.code: # Declare Arguments
  ARG NODE_VERSION
  ARG METEOR_RELEASE
  ARG NPM_VERSION
  ARG ARCHITECTURE
  ARG SRC_PATH
  
negative.code: ENV GOSU_VERSION=1.10
  ENV NODE_VERSION ${NODE_VERSION:-v6.10.2}
  ENV METEOR_RELEASE ${METEOR_RELEASE:-1.4.5}
  ENV METEOR_EDGE ${METEOR_EDGE:-1.4.4-rc.9}
  ENV NPM_VERSION ${NPM_VERSION:-3.10.10}
  ENV ARCHITECTURE ${ARCHITECTURE:-linux-x64}
  ENV SRC_PATH ${SRC_PATH:-./}
  