source 'https://rubygems.org' gemspec group :concurrent_ruby_ext do gem 'concurrent-ruby-ext', '~> 1.0' end group :pry do gem 'pry' end group :postgresql do gem "pg" end group :mysql do gem "mysql2" end if RUBY_VERSION < "2.2.2" gem 'activesupport', '~> 4.2' end