Bundler Explained

Version Ranges

gem 'foo'
gem 'bar', '>= 1.2.3'
gem 'baz', '~> 4.5.6'

Bundler Workflow

Gemfile vs. Gemfile.lock

bundle install vs. bundle update

bundle update

bundle install

bundle exec

bundle exec command

groups

group :test do
  gem "wrong"
end

more help

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Outline

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Bundler Slides - Code Like This

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