When starting with container orchestration, you'll often hear Kubernetes and OpenShift mentioned together. But they are not the same. Here's what every beginner needs to know.
Kubernetes is an open-source platform for automating deployment, scaling, and management of containerized applications. It is the industry standard, supported by a vast community and cloud providers.
OpenShift is Red Hat's enterprise Kubernetes distribution. It builds on Kubernetes, adding extra features like a built-in container registry, automated CI/CD pipelines, a web console, and enhanced security policies.
Key Differences:
- Ease of use: OpenShift offers a more user-friendly interface and wizard-driven setup, while Kubernetes requires more manual configuration.
- Security: OpenShift enforces stricter security defaults, including running containers as non-root users by default.
- Extras: OpenShift includes tools like Source-to-Image (S2I) for building apps from source code directly.
- Cost: Kubernetes is free and open-source; OpenShift has a paid enterprise edition but also a free community version (OKD).
Which should you learn? If you want to understand the core container orchestration concepts and work across multiple clouds, start with Kubernetes. If you are in a Red Hat-heavy environment or want a more turnkey solution, explore OpenShift.
Both are powerful—the right choice depends on your goals and infrastructure.