rails 3.1 deployment on heroku .css isn't precompiled error

Question

Update

I got this error because I had a public.css and public.js file that was not compiled with the rest of the .css and .js files. The solution was to

Answer 1

• Run bundle exec rake assets:precompile on your local code
• Commit the changes and deploy to heroku

If this is your first time deploying your app to heroku, you may experience more errors after this is resolved. Let me know what happens.

Answer 2

Actually, you need to run precompilation for your production environment:

• Run RAILS_ENV=production bundle exec rake assets:precompile on local
• Commit and deploy to Heroku

More broadly, the Heroku docs describe three options for asset compilation for Rails 3.1+ on Cedar:

1. Compile locally (covered in this answer)
2. Compile during slug compilation
3. Compile during runtime