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> Why can't you update the Docker image to also support ARM? You theoretically could switch your backend to run ARM Linux. However, this would take months

No need to take months. `docker buildx` can build multi-arch images without using real ARM instances.

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Does that help if the software you build inside the container doesn't build on ARM? Imagine a 3 digit count of legacy C libraries which do so far not compile on ARM for a variety of reasons. You would need to spend a significant amount of time to make them compile and run.

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