Less than a full operating system, UBI is three things: If you said yes to one or more of these questions, or similarly formulated questions, then check out UBI. My community wants to share containerized applications more freely My customers want enterprise support in their Red Hat environment My architects want to deliver a Kubernetes Operator to my customers My operations team wants a supportable base image with an enterprise lifecycle My developers want a container image they can distribute more broadly Here’s a set of wants and needs that might help you figure out if UBI is right for your needs: Running UBI on RHEL/OpenShift you can get: Subscribers have access to product features and advocacy in the direction of the product roadmap. But when you run them on Red Hat platforms like Red Hat OpenShift and Red Hat Enterprise Linux, there is additional value. With UBI, you can have the freedom to share and run your applications anywhere. The Red Hat Universal Base Image can allow you to build, share and collaborate on your containerized application where you want. This means you can build a containerized application on UBI, push it to a container registry server of your choosing, and share it. With the release of the Red Hat Universal Base Image (UBI), you can now take advantage of the greater reliability, security, and performance of official Red Hat container images where OCI-compliant Linux containers run - whether you’re a customer or not. You couldn’t easily share it with others, even if they were a Red Hat Enterprise Linux customer or partner. Running RHEL container images on RHEL container hosts offers compatibility and portability between environments, not to mention familiarity. This is why we have offered Red Hat Enterprise Linux (RHEL) images since Red Hat Enterprise Linux 7 GA, to offer customers certified and up-to-date enterprise-grade containers. Containers offer a lighter-weight version of the Linux operating system’s userland stripped down to the bare essentials, but it’s still an operating system and the quality of a container matters just as much as the host operating system.
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