Add Container-Optimized OS into Adopters
@@ -12,6 +12,8 @@ including the Balena project listed below.
**_[IBM Cloud Private (ICP)](https://www.ibm.com/cloud/private)_** - IBM's on-premises cloud offering has containerd as a "tech preview" CRI runtime for the Kubernetes offered within this product for the past two releases, and plans to fully migrate to containerd in a future release.
+**_[Google Container-Optimized OS (COS)](https://cloud.google.com/container-optimized-os/docs)_** - Container-Optimized OS is a Linux Operating System from Google that is optimized for running containers. COS has used containerd as container runtime when containerd was part of Docker's core container runtime.
+
**_[Google Cloud Kubernetes Engine (GKE)](https://cloud.google.com/kubernetes-engine/)_** - containerd has been offered in GKE since version 1.14 and has been the default runtime since version 1.19. It is also the only supported runtime for GKE Autopilot from the launch. [More details](https://cloud.google.com/kubernetes-engine/docs/concepts/using-containerd)
**_[AWS Fargate](https://aws.amazon.com/fargate)_** - uses containerd + Firecracker (noted below) as the runtime and isolation technology for containers run in the Fargate platform. Fargate is a serverless, container-native compute offering from Amazon Web Services.
