source ENV['GEM_SOURCE'] || 'https://rubygems.org' gem 'vmpooler', '~> 2.4' gem 'vmpooler-provider-ec2', '~> 0.0.1' gem 'vmpooler-provider-gce', '~> 0.4' gem 'vmpooler-provider-vsphere', '~> 1.6'