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ADOPTERS.md

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CRI-O Adopters

Below is a non-exhaustive list of CRI-O adopters in production environments:

  • Red Hat's Openshift Container Platform uses CRI-O as the only supported CRI implementation starting with the release of OpenShift 4. CRI-O was chosen because it provides a lean, stable, simple and complete container runtime that moves in lock-step with Kubernetes, while also simplifying the support and configuration of clusters.
  • Oracle Linux Cloud Native Environment has used CRI-O since release due to its tight focus on the Kubernetes CRI and its ability to manage both the runc and Kata Containers runtime engines.
  • SUSE CaaS Platform uses CRI-O since version 3. It has been initially supported as technology preview in version 3 and moved to the default Kubernetes container runtime since version 4 as a replacement for Docker.
  • openSUSE Kubic is a Certified Kubernetes distribution based on openSUSE MicroOS. It uses CRI-O as a supported container runtime for Kubernetes.
  • Digital Science is using CRI-O as the runtime in data processing clusters behind Dimensions due to it being just enough runtime for Kubernetes, and the flexibility to use more than runc.
  • HERE Technologies uses CRI-O as the runtime for our home grown Kubernetes clusters. We like that it is purpose built for Kubernetes and has a strong community backing it.
  • Particule uses CRI-O as part of our bare metal solution Symplegma to deploy Kubernetes with Ansible. We aim to be as vanilla and up to date with community standards as possible.
  • Nestybox distributes CRI-O together with the Sysbox container runtime, to enable running secure "VM-like" pods on Kubernetes clusters (voiding the need for privileged pods in many scenarios). CRI-O was chosen as it's the only container manager that supports creating pods that are strongly isolated using the Linux user-namespace (as of Jan 2022).
  • Lyft has used CRI-O since 2017, alongside our CNI IPvlan networking in AWS. All of Lyft runs on top of our Kubernetes stack.
  • Reddit has been using CRI-O as the runtime for all self-managed Kubernetes clusters since 2021. CRI-O was chosen for its clean and easy to reason about codebase, its good observability, and its ability to allow for transparently rewriting image registries for mirroring.