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What is Container-Optimized OS? Alternatives?

Container-Optimized OS is an operating system image for your Compute Engine VMs that is optimized for running Docker containers. With Container-Optimized OS, you can bring up your Docker containers on Google Cloud Platform quickly, efficiently, and securely.


https://cloud.google.com/container-optimized-os/docs

is Google's own operating system specifically designed to run containerized images.

Other alternatives such as

Alpine Linux, Ubuntu/Debian, and the now-discontinued CoreOS, etc.

After RedHat got CoreOS, they ended support for it in 2020. The main alternatives became

  1. RHEL CoreOS (Red Hat's container operating system for OpenShift)
  1. Flatcar (which maintains compatibility with CoreOS and is now owned by Microsoft through their acquisition of Kinvolk).


As for AWS, they have Bottlerocket, which is their Linux-based system designed for running containers. Fargate allows users to choose their operating system, including Bottlerocket.

https://www.reddit.com/r/devops/comments/iz4zf9/is_there_an_open_source_container_optimized_os/

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