seems meteor 1.4.4.1 does not include fix for EXDEV problem

Dockerfile

@@ -12,7 +12,7 @@ ARG SRC_PATH
 ENV BUILD_DEPS="wget curl bzip2 build-essential python git ca-certificates"
 ENV GOSU_VERSION=1.10
 ENV NODE_VERSION ${NODE_VERSION:-v6.10.2}
-ENV METEOR_RELEASE ${METEOR_RELEASE:-1.4.4.1}
+ENV METEOR_RELEASE ${METEOR_RELEASE:-1.4.5}
 ENV NPM_VERSION ${NPM_VERSION:-3.10.10}
 ENV ARCHITECTURE ${ARCHITECTURE:-linux-x64}
 ENV SRC_PATH ${SRC_PATH:-./}
@@ -76,12 +76,12 @@ RUN \
     chown wekan:wekan ./install_meteor.sh && \
     ###########################
     ###########################
-    # This block is for installing on release candidates, suppose can be left in place for now.
+    # Block for ensuring installation of release candidates - perhaps remove later.
     gosu wekan:wekan sh ./install_meteor.sh || \
     ( \
       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.6 && \
+      gosu wekan:wekan git checkout release/METEOR@1.4.4-rc.9 && \
       gosu wekan /home/wekan/.meteor/meteor -- help \
     ) && \
     ###########################