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Handle Ruby's gem versions for each project.


Manage gem versions consistently accross platforms.


Bundler provides a consistent environment for Ruby projects by tracking and installing the exact gems and versions that are needed.

Bundler project

Bundler common workflow

  • Declare dependencies of an application in a Gemfile
  • Install above versions of the dependencies into an isolated location bundle install
  • run the app: bundle exec


Marcelo Canina
I'm Marcelo Canina, a developer from Uruguay. I build websites and web-based applications from the ground up and share what I learn here.