November 2008
Beginner
448 pages
12h 25m
English
Content preview from Learning RailsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Test Your Knowledge
Quiz
What is cloud computing and how can it help you develop in Rails?
What’s the name of the Ruby application packaging utility and how do you install Rails with it?
In what instances would you avoid WEBrick?
Why should you install a particular version of Ruby on your platform when Ruby already comes installed?
Answers
Cloud computing provides access to virtual servers. You don’t even have to know which server is hosting which part of the application. Mostly, you’ll consider deploying your Rails applications on cloud computing environments, but Heroku offers you a chance to develop your applications through a web interface that runs on Amazon’s EC2 cloud computing platform.
RubyGems, or just “gems,” which is run with the
gemcommand, is Ruby’s application packager. To install the latest version of Rails and all its dependencies, just typegem install rails.WEBrick is great for testing your Rails applications, but definitely not the best choice for deployments where performance matters.
Rails is still running on version 1.8 of Ruby, not the latest 1.9, but it requires features in the more recent versions of 1.8, notably 1.8.6.
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