anchor.diff:      Search for the `urls` field in the `App started` block in the output of the `cf push` command. Use the URL to access your app online.
   
       <pre class="terminal">
  -    
  +
       App started
   
       Showing health and status for app rails_sample_app in org Cloud-Apps / space development as clouduser@example.com...
  
positive.code: - (**Optional**) Robust production web server for Ruby and RoR apps, such as Unicorn
  * Your Rails 4.x app that runs locally on your workstation
  
  ### <a id='yourapp-step1'></a>Step 1: Add the rails_12factor Gem to Your Gemfile ###
  
  1. Add `gem rails_12factor group: :production` to your Gemfile.
  
  
negative.code: 
  1. Run `bundle install` to update your Gemfile.
  
  ### Step 2: (Optional) Configure Automatically Invoked Rake Tasks for Deployed Applications ###
  
  <%=vars.product_short%> does not provide a way to run a Rake task on a deployed application. For <%=vars.product_short%> to automatically invoke a Rake task while an app is deployed, you must include the Rake task in your application and also configure the application start command with the `command` attribute in the application manifest, `manifest.yml`.
  The following is an example of how to invoke a Rake database migration task at application startup.
  
  1. Create a file with the Rake task name and the extension `.rake`, and store it in the `lib/tasks` directory of your application.
  
  