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fix(docker): use BUILDPLATFORM for caire to fix amd64 cross-compilation on Apple Silicon

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The caire-builder stage now runs the Go toolchain on the native build
platform instead of under QEMU emulation.  For cross-arch builds
(arm64 host → amd64 image) CGO_ENABLED=0 avoids needing a full C
cross-toolchain; the display window is unused in server mode anyway.
The binary is staged to /tmp/caire so the COPY path is stable across
both native and cross-compiled builds.
This commit is contained in:
Siddharth Kumar Sah
2026-04-15 23:11:47 +08:00
parent 251445b092
commit 57c78e65ba
1 changed files with 28 additions and 9 deletions
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docker/Dockerfile
+28 -9
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@@ -38,16 +38,35 @@ RUN --mount=type=cache,id=turbo-cache,target=/app/.turbo \
# ============================================
# Stage 2: Build caire (content-aware resize)
# ============================================
FROM golang:1.23-bookworm AS caire-builder
# Run the Go toolchain on the native build platform to avoid QEMU crashes
# on Apple Silicon when cross-compiling for linux/amd64.
FROM --platform=$BUILDPLATFORM golang:1.23-bookworm AS caire-builder
RUN apt-get update && apt-get install -y --no-install-recommends \
libwayland-dev libx11-dev libx11-xcb-dev libxkbcommon-x11-dev \
libgles2-mesa-dev libegl1-mesa-dev libffi-dev libxcursor-dev \
libxrandr-dev libxinerama-dev libxi-dev libxxf86vm-dev \
libvulkan-dev libxfixes-dev pkg-config \
&& rm -rf /var/lib/apt/lists/*
ARG TARGETOS=linux
ARG TARGETARCH
RUN go install github.com/esimov/caire/cmd/caire@v1.5.0
# Graphics libs are only needed for native-arch CGO builds (the display window).
# For cross-arch builds we use CGO_ENABLED=0 — the server never shows a display.
RUN NATIVE=$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/') && \
if [ "$TARGETARCH" = "$NATIVE" ]; then \
apt-get update && apt-get install -y --no-install-recommends \
libwayland-dev libx11-dev libx11-xcb-dev libxkbcommon-x11-dev \
libgles2-mesa-dev libegl1-mesa-dev libffi-dev libxcursor-dev \
libxrandr-dev libxinerama-dev libxi-dev libxxf86vm-dev \
libvulkan-dev libxfixes-dev pkg-config \
&& rm -rf /var/lib/apt/lists/*; \
fi
# Build and copy to a fixed path so the COPY step below is always the same.
RUN NATIVE=$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/') && \
if [ "$TARGETARCH" = "$NATIVE" ]; then \
go install github.com/esimov/caire/cmd/caire@v1.5.0 && \
cp /go/bin/caire /tmp/caire; \
else \
CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH \
go install github.com/esimov/caire/cmd/caire@v1.5.0 && \
cp /go/bin/${TARGETOS}_${TARGETARCH}/caire /tmp/caire; \
fi
# ============================================
# Stage 3: Platform-specific base images
@@ -106,7 +125,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
&& rm -rf /var/lib/apt/lists/*
# Caire binary (content-aware seam carving)
COPY --from=caire-builder /go/bin/caire /usr/local/bin/caire
COPY --from=caire-builder /tmp/caire /usr/local/bin/caire
# Python venv - Layer 1: Base packages (rarely change, ~3 GB)
RUN python3 -m venv /opt/venv && \