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Editorial Team
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Asked: 2026-06-08T21:13:32+00:00

I’m attempting to deploy a web application on Amazon’s EC2 servers, and I have

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I’m attempting to deploy a web application on Amazon’s EC2 servers, and I have the code up on the server. Everything looks like it’s working, but when I go to the home page, I get a 500 error message and the production.log file gives me the following error:

ActionView::Template::Error (image.png isn't precompiled)

  • I’ve tried running rake assets:precompile,

  • I’ve changed the line in config/environments/production.rb to config.assets.compile = true

  • I’ve checked that the compiled image.png is in public/assets/manifest.yml

but I still get the same error.

I’m running Rails 3.2.6 and Ruby 1.8.7.

Thanks for your help!

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1 Answer

  1. Editorial Team

    Running rake assets:precompile RAILS_ENV=production should fix it.
    If you don’t provide any RAILS_ENV, Rails assumes it’s development

    I believe that’s because each env in the asset pipeline behaves differently. Therefore, as a general rule, in production, always run rake tasks with RAILS_ENV=’production’ and you should stay safe.

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