Why are multi-architecture images important?
summary
Explains how to build a single multi-architecture Docker image that runs on multiple CPU architectures using docker buildx. Shows installation and registration commands, runs parallel builds (e.g., amd64 and armv7), combines results into one manifest and pushes to a registry, then demonstrates running the image on a Raspberry Pi; notes time savings and broader market reach at the cost of roughly doubling image size (tradeoff: more space for greater portability).
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