Correct banner detection

app/controllers/docker_manager/admin_controller.rb

@@ -39,7 +39,7 @@ module DockerManager
 
     def latest
       repo = DockerManager::GitRepo.new(params[:path])
-      repo.update!
+      repo.update! if Rails.env == 'production'
 
       render json: {latest: {version: repo.latest_origin_commit,
                              commits_behind: repo.commits_behind,

dev_server.js

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+(cd manager-client && ember serve --proxy "http://localhost:3000")
+

manager-client/app/controllers/application.js

@@ -13,7 +13,7 @@ export default Ember.ObjectController.extend({
   appendBannerHtml: function(html){
     var banner = this.get("banner") || [];
     if(banner.indexOf(html) === -1){
-      banner.push(html);
+      banner.pushObject(html);
     }
     this.set("banner", banner);
   },