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The original was posted on /r/selfhosted by /u/cupdatedev on 2025-01-11 11:29:00+00:00.
Hi there, r/selfhosted!
I’ve been working on a service called Cupdate for a while. Cupdate automatically identifies container images in use in your Kubernetes cluster or on your Docker host. Cupdate then identifies the latest available release, release notes, vulnerabilities and more and makes the data available to you via a UI, API or through an RSS feed.
Although developed for my own purposes I’d like to share it with you guys, thinking there may be more with the same use cases. It would also be great to get some feedback from the self-hosted community.
Screenshot of the Cupdate dashboard
Features:
- Performant and lightweight - uses virtually zero CPU and roughly 14MiB RAM
- Auto-detect container images in Kubernetes and Docker
- Auto-detect the latest available container image versions
- UI for discovering updates, release notes and more
- Subscribe to updates via an RSS feed
- Graphs image versions’ dependants (containers, pods, jobs etc.) explaining why the image is in use
- Vulnerability scanning via Docker Scout, Quay and the GitHub Advisory Database
- APIs for custom integrations
- Metrics and traces for observability
GitHub:
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