use `chown -R` in docker-entrypoint.sh

docker/docker-entrypoint.sh

@@ -8,7 +8,7 @@ if [ ! -e "$appDir/public/uploads" ]; then
   ln -s /data/uploads $appDir/public/uploads
 fi
 
-chown node:node /data/uploads
+chown -R node:node /data/uploads
 chown -h node:node $appDir/public/uploads
 
 su-exec node $@