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fix: buildkit transient crashes #222

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Merged
chgl merged 1 commit into from
Sep 30, 2026
+16 −1
Merged

fix: buildkit transient crashes #222

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12 changes: 12 additions & 0 deletions .github/workflows/standard-build.yaml
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Expand Up @@ -281,6 +281,18 @@ jobs:
platforms: ${{ inputs.platforms }}
build-args: ${{ inputs.build-args }}

# a crashed BuildKit daemon only shows up as "error reading from server: EOF"
# in the build output - its own logs and container state show why it died
# (e.g. a Go panic vs. being OOM-killed).
- name: Show BuildKit daemon logs
if: ${{ failure() }}
env:
BUILDKIT_CONTAINER: buildx_buildkit_${{ steps.setup-buildx.outputs.name }}0
run: |
docker inspect --format 'restarts: {{.RestartCount}}, running: {{.State.Running}}, exit code: {{.State.ExitCode}}, OOM killed: {{.State.OOMKilled}}' "${BUILDKIT_CONTAINER}" || true
sudo dmesg | grep -i -E 'out of memory|oom-kill|killed process' | tail -n 5 || true
docker logs --tail 300 "${BUILDKIT_CONTAINER}" 2>&1 || true

- name: Upload container image
if: ${{ github.event_name == 'pull_request' && inputs.enable-upload-image == true }}
uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
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5 changes: 4 additions & 1 deletion Dockerfile
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Expand Up @@ -19,7 +19,10 @@ RUN echo "Hello test"

FROM gcr.io/distroless/python3-debian13:nonroot@sha256:8ee214843129f43e2ebf5e0ca9f2e4e6d8292143d1b8a6787f169b5898578884
WORKDIR /app
COPY --from=base /app/hello_world.py .
# copied from the build context rather than `--from=base`: with the final stage
# depending on base, BuildKit v0.32.2 nondeterministically hung and crashed
# while "preparing build cache for export" (mode=max registry cache).
COPY src/hello_world.py .
USER 65532:65532
# the distroless python image's entrypoint already is the python interpreter
CMD [ "/app/hello_world.py" ]
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