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Cross-compile the images instead of building arm64 under QEMU #14

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Merged
zhanghaohit merged 1 commit into from
Oct 28, 2026
Merged

Cross-compile the images instead of building arm64 under QEMU #14

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5 changes: 4 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,10 @@ ARG GO_BASE=golang:1.23.3-alpine3.20
ARG RUNTIME_BASE=python:3.12-alpine
ARG GOPROXY=https://proxy.golang.org,direct

FROM ${GO_BASE} AS build
# The build stage runs on the builder's own platform and cross-compiles (CGO is off, GOARCH comes
# from TARGETARCH below). Without --platform the arm64 build ran the Go toolchain under QEMU, which
# took 20-30 minutes for the three images; the runtime stage only copies the binary.
FROM --platform=$BUILDPLATFORM ${GO_BASE} AS build
ARG GOPROXY
# TARGETARCH is set by buildx to the platform being built, so a multi-platform build
# compiles each image for its own arch. It was hardcoded to amd64, which put an amd64
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5 changes: 4 additions & 1 deletion Dockerfile.hagate
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Expand Up @@ -8,7 +8,10 @@ ARG GO_BASE=golang:1.23.3-alpine3.20
ARG RUNTIME_BASE=python:3.12-alpine
ARG GOPROXY=https://proxy.golang.org,direct

FROM ${GO_BASE} AS build
# The build stage runs on the builder's own platform and cross-compiles (CGO is off, GOARCH comes
# from TARGETARCH below). Without --platform the arm64 build ran the Go toolchain under QEMU, which
# took 20-30 minutes for the three images; the runtime stage only copies the binary.
FROM --platform=$BUILDPLATFORM ${GO_BASE} AS build
ARG GOPROXY
# TARGETARCH is set by buildx to the platform being built, so a multi-platform build
# compiles each image for its own arch. It was hardcoded to amd64, which put an amd64
Expand Down
5 changes: 4 additions & 1 deletion Dockerfile.reload
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,10 @@ ARG GO_BASE=golang:1.23.3-alpine3.20
ARG RUNTIME_BASE=python:3.12-alpine
ARG GOPROXY=https://proxy.golang.org,direct

FROM ${GO_BASE} AS build
# The build stage runs on the builder's own platform and cross-compiles (CGO is off, GOARCH comes
# from TARGETARCH below). Without --platform the arm64 build ran the Go toolchain under QEMU, which
# took 20-30 minutes for the three images; the runtime stage only copies the binary.
FROM --platform=$BUILDPLATFORM ${GO_BASE} AS build
ARG GOPROXY
# TARGETARCH is set by buildx to the platform being built, so a multi-platform build
# compiles each image for its own arch. It was hardcoded to amd64, which put an amd64
Expand Down
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