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Webernetes – Kubernetes in Browser

Webernetes is an open-source project that runs a lightweight Kubernetes cluster entirely inside a web browser, enabling users to experiment with Kubernetes without needing external infrastructure or installations.

Background

- Webernetes is an experimental open-source project by ngrok that runs a single-node Kubernetes cluster entirely inside a web browser (using WebAssembly). It lets developers spin up a real k8s environment without installing anything locally. - The project patches the Kubernetes control-plane components (kube-apiserver, kube-controller-manager, kube-scheduler, etcd) so they compile to WASM and execute in the browser's sandbox. A lightweight "kubelet" runs containers via WebAssembly system interface (WASI) rather than Docker. - This is a proof-of-concept, not production-ready. It showcases how far browser-based runtimes have come and hints at future where complex cloud-native tools run anywhere a browser does — CI pipelines, edge devices, teaching labs.

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