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I’m holding the Certified Kubernetes Administrator certificate issued by the Linux Foundation.

Create and Compose WebAssembly Components: A Hands-On Example with Rust

I’ve been diving deeper into the WebAssembly Component Model lately, and I finally sat down to write up a hands-on example in Rust.

The article walks through the creation of a tiny "decider" app, split into two components: one library that implements a simple interface, and one command component that calls it. The fun part is plugging them together and running the whole thing as a composed Wasm component with Wasmtime.

It’s a small example, but for me it really clarified how the component model makes composition and reuse feel natural — much closer to building with Lego bricks than with raw Wasm modules.

If you’re curious about WebAssembly beyond the basics, this might be a good place to start:
https://m99.io/articles/create-and-compose-webassembly-components-a-hands-on-example-with-rust

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