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Dev tools · May 2, 2022

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Run WASM in Containerd

I've been working with a partner team to integrate wasm workloads with existing container toolchains with the goal of enabling wasm workloads anywhere, be it on the edge, in kubernetes, or wherever. To that end, this project implements a containerd shim which runs those wasm workloads. It is designed as a library to bring your own host implementation, but also includes an implementation for WASI. Right now the library assumes you are using wasmtime, which is embedded in. It works either standalone (run with containerd directly) or in kubernetes. Kubernetes networking and storage are wired…

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In plain words

Run WASM in Containerd is a containerd shim that enables WebAssembly workloads to run alongside traditional containers in edge, Kubernetes, and standalone environments. Built as a library with a WASI implementation and embedded Wasmtime runtime, it allows developers to deploy and manage WebAssembly applications using existing container toolchains. The tool integrates Kubernetes networking and storage, enabling WebAssembly pods to operate seamlessly with native workloads on the same infrastructure and be exposed as services.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

I've been working with a partner team to integrate wasm workloads with existing container toolchains with the goal of enabling wasm workloads anywhere, be it on the edge, in kubernetes, or wherever. To that end, this project implements a containerd shim which runs those wasm workloads. It is designed as a library to bring your own host implementation, but also includes an implementation for WASI. Right now the library assumes you are using wasmtime, which is embedded in. It works either standalone (run with containerd directly) or in kubernetes. Kubernetes networking and storage are wired into the wasm host and the wasm can run side by side with native workloads on the same machine. Wasm pods can be exposed as a service like any other pod.

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