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You can use the Red Hat Software Collections images as a foundation for applications that rely on specific runtime environments such as Node.js, Perl, or Python. Special versions of some of these runtime base images are referred to as Source-to-Image (S2I) images. With S2I images, you can insert your code into a base image environment that is ready to run that code.

S2I images include:

  • .NET

  • Java

  • Go

  • Node.js

  • Perl

  • PHP

  • Python

  • Ruby

S2I images are available for you to use directly from the OpenShift Container Platform web console by following procedure:

  1. Log in to the OpenShift Container Platform web console using your login credentials. The default view for the OpenShift Container Platform web console is the Administrator perspective.

  2. Use the perspective switcher to switch to the Developer perspective.

  3. In the +Add view, select an existing project from the list or use the Project drop-down list to create a new project.

  4. Choose All services under the tile Developer Catalog.

  5. Select the Type Builder Images then can see the available S2I images.

S2I images are also available though the Configuring the Cluster Samples Operator.

Source-to-image build process overview

Source-to-image (S2I) produces ready-to-run images by injecting source code into a container that prepares that source code to be run. It performs the following steps:

  1. Runs the FROM <builder image> command

  2. Copies the source code to a defined location in the builder image

  3. Runs the assemble script in the builder image

  4. Sets the run script in the builder image as the default command

Buildah then creates the container image.

Additional resources