$ bundle install --standalone
$ export AWS_ACCESS_KEY_ID=<ID>
$ export AWS_SECRET_ACCESS_KEY=<KEY>
$ export AWS_REGION=<region>
$ bundle exec ruby CloudFront/Distribution/Invalidation.rb -d <Distribution-ID> -p '/path/to/file.css'
$ bundle exec ruby OpsWorks/Stack/Describe.rb -t OpsWorks/Template/confluence.erb
``