<p>In config/application.rb:</p>
<pre style='color:#555'>> @@ -72,6 +72,9 @@ class Application < Rails::Application
>      # Version of your assets, change this if you want to expire all your assets
>      config.assets.version = '1.0'
>  
> +    # Precompile page-specific assets
> +    config.assets.precompile += %w(index.js)
</pre>
<p>Shouldn't this be in <code>config/environments/production.rb</code> with all the others?</p>

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