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Fix the kind install on arm64 hosts - #1869
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Bowei Du (bowei) merged 1 commit intoSep 25, 2026
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yanavlasov
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Sep 24, 2026
Bowei Du (bowei)
approved these changes
Sep 25, 2026
Bowei Du (bowei)
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area/demos
area/dev-infra
area/network
kind/bug
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Fixes the kind install on arm64 hosts (Apple Silicon), broken in #1535
BuildDockerfileImagehard-codes--platform=linux/amd64, so thedataplane image's Rust builder stage fails with
exec /bin/sh: exec format erroron mac with arm64The ko images already follow
KO_DEFAULTPLATFORMS, which the kind installsets to the host architecture; the Dockerfile images did not.
Changes
Pass
KO_DEFAULTPLATFORMSthrough todocker buildx build --platformforboth Dockerfile images (envoy dataplane, claude-code-multiplex demo),
defaulting to
linux/amd64when unset.Pin the Envoy base image by its multi-platform index digest so
--platformselects the matching manifest.
Tested (
hack/install-ate-kind.sh --deploy-ate-systemon mac succeed)