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Comment by Emore | Hacker News Reader

I'm working through your tutorial, and I really -- really -- love it! Thanks for the work you put into it.

One thing though. Although it's great that you keep versions updated, perhaps you should mention that Heroku only supports rails version up to 2.3.5? As a total beginner, it took me a few hours to realize why I got strange errors when deploying...

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Glad you like the tutorial!

Another reader mentioned the Heroku issue as well; sorry it caused confusion. I'll check it out and get back to you. If it continues to be a problem, I suggest moving back to 2.3.5 for now.

Update: It works if you add an explicit gem requirement to RAILS_ROOT/.gems:

  rails --version 2.3.8

My hope is that Rails 2.3.8 will Just Work™ on Heroku at some point; I have an email in to them to see if they expect this to be the case.

Ah, perfect! Thanks :)

For reference, this is where I checked the versions: http://installed-gems.heroku.com/ But I guess all you RoR-gurus know that :)

EDIT: Also, http://blog.heroku.com/archives/2010/5/25/rails_2_3_6_depend...

Heroku does support Rails 3 (3.0.0beta). I ended up porting my stuff from 2.3.5 -> 3 and was up and running in no time at all. See http://docs.heroku.com/rails3 for more info.

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