fix localhost issue with docker

template/Gruntfile.coffee

@@ -36,9 +36,9 @@ module.exports = (grunt) ->
                     port: 9000
                     # Change hostname to '0.0.0.0' to access
                     # the server from outside.
-                    hostname: 'localhost'
+                    #hostname: '0.0.0.0'
                     base: '.'
-                    open: true
+                    #open: true
                     livereload: true
 
         jshint: