ci(docker-release): register QEMU binfmt for multi-platform builds - #54
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The org is moving to true multi-arch images (linux/amd64 + linux/arm64) so dev rigs pull the native variant on any workstation OS/arch. Stevedore already passes the platforms list to one buildx invocation and its action sets up the docker-container builder; the runner just lacks binfmt handlers for the foreign arch. Must merge before any repo adds linux/arm64 to its .stevedore.yaml. Claude-Session: https://claude.ai/code/session_01RucWaqzHAh5kPo3XBEjEp1
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Summary
docker/setup-qemu-action@v3to the shareddocker-release.yml, right before the stevedore step, so buildx can build non-native platforms..stevedore.yamlgainslinux/arm64in follow-up PRs, and dev rigs then pull the native variant on any workstation (Apple Silicon, Linux, Windows).platforms:list into onebuildx --platformflag and its action sets up the docker-container builder; the runner just ships no binfmt handlers. Harmless for callers still building amd64-only.Test plan
linux/arm64to its.stevedore.yaml.docker buildx imagetools inspect 784682930591.dkr.ecr.us-east-1.amazonaws.com/understudy:<new-tag>.$BUILDPLATFORMcross-compile pattern in that repo's Dockerfile, not a revert here.🤖 Generated with Claude Code
https://claude.ai/code/session_01RucWaqzHAh5kPo3XBEjEp1