Deploying to Heroku: CodeRay is not Precompiled - How to remove?

StackOverflow https://stackoverflow.com/questions/10772508

Question

I'm learning Rails and read about using CodeRay to have lovely syntax highlighting in your page. When I use rails server it's fine and everything is hunky dory, but when I try to deploy to Heroku I get the useful "something went wrong" page. According to the logs, ActionView::Template::Error (coderay.css isn't precompiled):. So I want to remove CodeRay from my Rails app for now.

I removed the CSS file, the link in the erb file, CodeRay from my Gemfile, ran bundle install and bundle update for good measure, but I still get the same error.

2012-05-27T07:41:22+00:00 app[web.1]: Completed 500 Internal Server Error in 98ms
2012-05-27T07:41:22+00:00 app[web.1]: 
2012-05-27T07:41:22+00:00 app[web.1]:     2: <html>
2012-05-27T07:41:22+00:00 app[web.1]:     3: <head>
2012-05-27T07:41:22+00:00 app[web.1]: ActionView::Template::Error (coderay.css isn't precompiled):
2012-05-27T07:41:22+00:00 app[web.1]:     5:   <%= stylesheet_link_tag    "application", "coderay", :media => "all" %>
2012-05-27T07:41:22+00:00 app[web.1]:     4:   <title>RG Simms</title>
2012-05-27T07:41:22+00:00 app[web.1]:     6:   <%= javascript_include_tag "application" %>
2012-05-27T07:41:22+00:00 app[web.1]:     7:   <%= csrf_meta_tags %>
2012-05-27T07:41:22+00:00 app[web.1]:     8:   <link rel="/favicon.ico" alt="gentlemanraptor">

Now, this is really weird. I have removed the stylesheet_link_tag to coderay in the html.erb, uninstall the actual gem completely, and deployed to Heroku again, but with the same error.

Currently using the cedar stack and rails 3.2.3.

Am I doing something wrong?

Was it helpful?

Solution

You need to tell rails to precompile coderay.css along with your other assets:

# application.rb
config.precompile += %w(coderay.css)

Try that.

If it still doesn't work you probably need to remove the stylesheet link tag to coderay, since it will get bundled with your application.rb during asset precompilation

OTHER TIPS

You need to compile your assets locally first.

Take a look here: https://devcenter.heroku.com/articles/rails3x-asset-pipeline-cedar

Try the below before pushing to Heroku.

RAILS_ENV=production bundle exec rake assets:precompile
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