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07a8f656e7
Follow-up to #2755. With the uv image manifest fix in place, master's buildx matrix surfaced a second 32-bit ARM blocker: ERROR: failed to resolve source metadata for docker.io/oven/bun:1.3.13-slim: no match for platform in manifest: not found oven/bun publishes only linux/amd64 and linux/arm64 manifests, so a target-platform build (linux/arm/v7 for pi3, linux/arm/v8 32-bit for pi4, linux/arm/v6 for pi1/pi2) can't pull the image at all. The bun-builder stage in Dockerfile.server.j2 only exists to compile JS/CSS into /app/static/dist/. Its output is platform-independent — the next stage COPYs the dist tree into the target image. So pin the stage to $BUILDPLATFORM and let it always run natively on the build host, regardless of the target. This also avoids a slow QEMU-emulated `bun run build` on the arm64 builder. Out of scope: the development branch's `COPY --from=oven/bun:1.3.13-slim /usr/local/bin/bun` is genuinely platform-dependent (it copies the bun binary into the runtime image) and not exercised by the production CI matrix. Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
63 lines
2.0 KiB
Django/Jinja
63 lines
2.0 KiB
Django/Jinja
{% if environment == 'production' %}
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{# bun ships no 32-bit binaries at all — its release artifacts cover
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only {linux,darwin,windows}-{x64,aarch64}, so a target-platform
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build (linux/arm/v6/v7/v8 for pi1/2/3 and pi4-32) can't pull this
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image when bun-builder inherits the target platform. Pin the stage
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to $BUILDPLATFORM so it always runs on the build host instead: bun
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is only used here to compile JS/CSS into the platform-independent
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/app/static/dist/ that the next stage COPYs in, so the host
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architecture doesn't matter. This also avoids a slow QEMU-emulated
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`bun run build` on arm64 hosts.
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Implication: building production images for 32-bit ARM requires an
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amd64 or arm64 builder, which is what CI uses. The constraint is
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bun itself, not Docker — there's no 32-bit bun binary to fall back
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to even outside of Docker, so building this image on a pi3 was
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never going to work. If device-local builds ever become a hard
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requirement we'd need to either drop bun (e.g. back to Node, which
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still ships armv7 binaries) or check `static/dist/` into the
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image / a cache and skip this stage entirely. #}
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FROM --platform=$BUILDPLATFORM oven/bun:1.3.13-slim AS bun-builder
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RUN mkdir -p /app
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WORKDIR /app
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COPY package.json \
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bun.lock \
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tsconfig.json \
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/app/
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RUN bun install --frozen-lockfile
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COPY ./static/sass/*.scss /app/static/sass/
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COPY ./static/src/ /app/static/src/
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RUN bun run build
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{% endif %}
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{% include 'uv-builder.j2' %}
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{% include 'Dockerfile.base.j2' %}
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COPY --from=uv-builder /venv /venv
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ENV PATH="/venv/bin:$PATH"
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ENV VIRTUAL_ENV="/venv"
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RUN mkdir -p /usr/src/app
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COPY . /usr/src/app/
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WORKDIR /usr/src/app
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{% if environment == 'production' %}
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COPY --from=bun-builder \
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/app/static/dist/ \
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/usr/src/app/static/dist/
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{% else %}
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COPY --from=oven/bun:1.3.13-slim /usr/local/bin/bun /usr/local/bin/bun
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RUN ln -sf bun /usr/local/bin/bunx
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{% endif %}
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ENV GIT_HASH={{ git_hash }}
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ENV GIT_SHORT_HASH={{ git_short_hash }}
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ENV GIT_BRANCH={{ git_branch }}
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ENV DEVICE_TYPE={{ board }}
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CMD ["bash", "bin/start_server.sh"]
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