Containers, images, and image streams are important concepts to understand when you set out to create and manage containerized software. An image holds a set of software that is ready to run, while a container is a running instance of a container image. An image stream provides a way of storing different versions of the same basic image. Those different versions are represented by different tags on the same image name.
modules/images-about.adoc You can create, manage, and use container images.
You can manage image streams, use image streams with Kubernetes resources, and trigger updates on image stream updates.
During the initial startup, the Operator creates the default samples resource to initiate the creation of the image streams and templates.
You can use the Cluster Samples Operator to manage the sample image streams and templates stored in the openshift namespace.
As a cluster administrator, you can use the Cluster Samples Operator to:
A template is a definition of an object to be replicated. You can use templates to build and deploy configurations.
As a developer, you can use Ruby on Rails to:
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Write your application:
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Set up a database.
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Create a welcome page.
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Configure your application for {product-title}.
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Store your application in Git.
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Deploy your application in {product-title}:
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Create the database service.
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Create the frontend service.
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Create a route for your application.
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