fix: support multi-arch container image builds (arm64, amd64)#6
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AruneshDwivedi wants to merge 1 commit into
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fix: support multi-arch container image builds (arm64, amd64)#6AruneshDwivedi wants to merge 1 commit into
AruneshDwivedi wants to merge 1 commit into
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Replace single-arch amd64-only download with multi-stage build that downloads both amd64 and arm64 binaries, then uses TARGETARCH to copy the correct one into the final image. Fixes ContainerSSH/ContainerSSH#696 Signed-off-by: Arunesh Dwivedi <arunesh.devops@gmail.com>
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Problem
The official
containerssh/containersshDocker image is published aslinux/amd64only. The Dockerfile hardcodes the_linux_amd64.tar.gzdownload URL, so arm64 users cannot use the official image.Fix
Replace the single-arch download with a multi-stage build:
download-amd64stage fetches the amd64 binarydownload-arm64stage fetches the arm64 binarymergestage combines both$TARGETARCHto copy only the matching binaryThis enables
docker buildxmulti-platform builds producing bothlinux/amd64andlinux/arm64images.Fixes ContainerSSH/ContainerSSH#696