Rails 3. getting Errno::EACCES Permission Denied when uploading files on production

Question

The app works fine in development but in production I get Errno::EACCES Permission Denied error when I try to upload a file using Carrierwave. I\'m sure it has something to

Answer 1

chmod -R 777 PATH_TO_APP/uploads 
chmod -R 777 PATH_TO_APP/tmp