This page's audience our own tag's counts — open to see them

Period

–Visits

–Page views

–Clicks to vendors

–Time on page

–Reading now

Clicks to vendors, by tool

Top countries

Devices

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Google Container-Optimized OS

Free#22 of 29 in Server Operating System

Google Container-Optimized OS: A focused, free-to-use-on-Compute-Engine OS image for managed container workloads. Ranked #22 of 29 in Server Operating System by our editors (7.6/10); pricing: Free plan; best for hardened Google Cloud container instances.

7.6/10Editor score

Visit Google Cloud

Google Container-Optimized OS7.6 Visit Google Cloud

At a glance

Editor score
7.6 / 10
Pricing
Free plan
Best for
Hardened Google Cloud container instances
Free plan
Yes
Paid from
Free
License model
Open_source
Facts checked
24 Sep 2026

Where it wins
- Docker, containerd and cloud-init come pre-installed.
- Read-only verified roots and hardened kernel features support a security-focused setup.
- Automatic updates and LTS image milestones provide a defined release lifecycle.
Where it doesn't
- Supported only on Google Cloud Compute Engine.
- No package manager, so it is not suited to general-purpose software installation.
- Does not support non-containerized applications.

Our verdict on Google Container-Optimized OS

Google Container-Optimized OS is a Linux image for Compute Engine virtual machines, maintained by Google and based on the open-source Chromium OS project. Its intended audience is teams running container workloads on Google Cloud, including Kubernetes workloads. Docker, containerd and cloud-init are pre-installed, so the image is oriented toward configuring instances and running containers rather than serving as a general-purpose server operating system.

Its security posture is central to the product’s design. The root filesystem is read-only and undergoes boot-time integrity verification; the kernel includes IMA, Audit and KPTI features. By default, the firewall blocks incoming TCP and UDP traffic except SSH. Automatic background updates, LTS image milestones, security fixes and a published support lifecycle give operators a defined update model. The image also supports access to Container Registry and Artifact Registry. These characteristics make it a fit for teams that want container-focused Compute Engine instances with a constrained base system, rather than a host intended for broad customization.

The key trade-off is its narrow platform and workload scope. Google says the image is not supported outside Google Cloud, and it does not include a package manager or support non-containerized applications. There is no license fee for Container-Optimized OS on Compute Engine, though the underlying Compute Engine resources may incur charges. Choose it when the target is container workloads on Google Cloud and the built-in runtime, update and hardening approach suit your operations. Choose another server OS if you need portability beyond Google Cloud, package-based host management or workloads that run directly on the operating system.

Your product? Our editors can test Google Container-Optimized OS in depth and publish a review, labelled as paid · from $149/mo →

Google Container-Optimized OS pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on cloud.google.com

Google Container-Optimized OS fact sheet

Free plan	Yes
Paid from	Free
License model	Open_source
Architecture support	Multi_arch
Management interface	Cli
Long-term support	Yes
Live kernel patching	Not verified
Container tooling	Yes
Commercial support	Not verified
Deployment	Cloud
Platforms	Linux
Support	Community
Built for	Small business, Mid-market, Enterprise (editorial estimate)
Pricing	Free plan
Website	cloud.google.com
Facts checked	24 Sep 2026

Alternatives to Google Container-Optimized OS

See all Google Container-Optimized OS alternatives →

Used Google Container-Optimized OS? Be the first to review it

The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Google Container-Optimized OS for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

Write a reviewTwo minutes · verified accounts only · read by an editor before it appears

Reviews come only from verified accounts. Sign in or create an account first — your e-mail is never shown.

Title

Your review

0 characters · at least 80, up to 3,000

Pros (optional · one per line)

Cons (optional · one per line)

Your name (shown with your review)

Role (optional)

Company (optional)

How long have you used it?

I've used Google Container-Optimized OS myself and this is my honest opinion — nobody paid or asked me to write it.

Posted from your verified account. Reviews appear after an editor reads them, usually within two working days.

Featured on iTechGuides

Google Container-Optimized OS is listed in our Server Operating System directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/google-container-optimized-os/"><img src="https://www.itechguides.com/best/badge/google-container-optimized-os.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update