cri-o
An OCI-based implementation of the Kubernetes Container Runtime Interface (CRI) for launching and managing OCI containers.
What is cri-o?
CRI-O is a lightweight container runtime specifically built for Kubernetes. It implements the Kubernetes Container Runtime Interface (CRI) to allow the Kubelet to launch and manage Open Container Initiative (OCI) containers directly, providing a stable, efficient, and secure integration path between Kubernetes and OCI-conformant runtimes.
Kubernetes administrators and platform engineers who need a minimal, dedicated container runtime for their Kubernetes clusters, particularly those prioritizing standards compliance and security.
Developers choose CRI-O for its focused, minimal design that does one thing well: provide a performant and stable CRI implementation without extraneous features. Its modular architecture leverages best-of-breed OCI projects like runc, container/image, and CNI, ensuring standards-based operations.
Overview
Open Container Initiative-based implementation of Kubernetes Container Runtime Interface
Use Cases
Best For
- Kubernetes clusters requiring a lightweight, dedicated container runtime that implements the CRI specification directly.
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