I found this article to be useful; the author describes how he makes sure his "bundle install" result is cached until the Gemfile.lock changes. http://ilikestu

I found this article to be useful; the author describes how he makes sure his "bundle install" result is cached until the Gemfile.lock changes. http://ilikestuffblog.com/2014/01/06/how-to-skip-bundle-install-when-deploying-a-rails-app-to-docker/ http://ilikestuffblog.com/2014/01/06/how-to-skip-bundle-inst...