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Lessons:18Length:3.2 hours
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4.3 The Gemfile

Even though it’s not directly related to Rails, the Gemfile is very important to grasp. It defines your app’s dependencies and it helps you keep a record of them so you can relax when sharing or deploying your application across different environments. In this lesson we’ll take a look at how the Gemfile looks like in a Rails app and we’ll also add a new dependency to the project and use it.