Jose Henrique
3fe11a16bc
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Test build-and-push (self-test) / Build tiny multi-arch image (push) Successful in 9s
The 'docker buildx create --name X ssh://...' driver hangs against docker-build.haven with 'waiting for connection: context deadline exceeded', even though SSH, the daemon, and dial-stdio all work. Root cause is that docker-container-driver-over-SSH path; the remote daemon's own default buildkit (containerd-snapshotter) works fine. Rework: - create a docker *context* over SSH and run 'docker --context remote-builder buildx build --push' directly (drops docker/build-push-action, which needs a named builder) - (re)install qemu/binfmt on the remote each run when an arm* platform is requested (binfmt is kernel state, lost on daemon/host restart -- this was causing 'exec format error' for arm64 after the daemon was restarted) - gentags now emits -t args for the direct buildx invocation Validated end-to-end on real infra: multi-arch amd64+arm64 build + push to git.ivanch.me/ivanch/pipeline-actions-selftest:citest, manifest confirmed multi-arch.