Is it possible to override gemfile for local development?

Question

We have a Gemfile currently in our git repository. However, there\'s a gem I use only locally in my environment (my team doesn\'t use it). In order to use it, I

Answer 1

Set BUNDLE_GEMFILE environment variable:

BUNDLE_GEMFILE=Gemfile.local bundle exec rails c

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To provide a “delta” only in the Gemfile.local put require_relative 'Gemfile' on top of it (or Bundler::Dsl#eval_gemfile as suggested by @MichaelKohl in comments.)