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> This is how any sane production setup works

Well sure, but almost nobody is running production workloads on macOS. Regarding development workflows. Won't rebuilding the image every time you make changes be slow? I can get ~1 second reload times for node.js services outside of Docker. And I believe inside Docker too on linux.

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It's not necessarily because people are serving their production workloads from macOS systems.

However, they develop on them - and it makes sense to make those environments (and the processes) similar to your actual production setup. So if your applications code gets compiled, and deployed as part of the Docker image - then ideally when you spin up a dev environment, it should follow the same process.

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