GitHub - openshift/source-to-image: A tool for building artifacts from source and injecting into container images

For a dynamic language like Ruby, the build-time and run-time environments are typically the same. Starting with a builder image that describes this environment - with Ruby, Bundler, Rake, Apache, GCC, and other packages needed to set up and run a Ruby application installed - source-to-image performs the following steps: Start a container from the builder image with the application source injected