Heroku does not support file uploads. The filesystem is readonly. You'll have to host your files somewhere else.
S3 is a common choice: http://devcenter.heroku.com/articles/s3 -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.