mirror of
https://github.com/Rain-kl/OpenFlare.git
synced 2026-09-29 22:06:38 +08:00
ryan
53 lines
1.6 KiB
Docker
53 lines
1.6 KiB
Docker
# syntax=docker/dockerfile:1.7
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# Cross-platform build workflow — produces 6 static binaries under ./bin/
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#
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# Usage:
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# docker build -f docker/Dockerfile.cross --output ./bin .
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#
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# Or via Makefile:
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# make cross-build
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ARG GO_VERSION=1.25
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ARG ALPINE_VERSION=3.23
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FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS builder
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# git — needed by go mod download for VCS-stamped modules
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# ca-certificates — needed for HTTPS during module download
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RUN apk add --no-cache ca-certificates git
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WORKDIR /workspace
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# Cache dependency downloads separately from source
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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# Build matrix: GOOS × GOARCH
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# CGO_ENABLED=0 ensures fully static, portable binaries (no libc dependency).
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# -trimpath removes local path info; -s -w strips debug info for smaller output.
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ARG BUILD_FLAGS="-trimpath -ldflags=-s -w"
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RUN set -e; \
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mkdir -p /out; \
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for GOOS in linux darwin windows; do \
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for GOARCH in amd64 arm64; do \
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EXT=""; \
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[ "$GOOS" = "windows" ] && EXT=".exe"; \
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OUTPUT="/out/wavelet_${GOOS}_${GOARCH}${EXT}"; \
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echo "==> Building ${OUTPUT}..."; \
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CGO_ENABLED=0 GOOS=${GOOS} GOARCH=${GOARCH} \
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go build \
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-trimpath \
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-ldflags="-s -w" \
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-o "${OUTPUT}" \
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./main.go; \
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done; \
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done
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# ── Export stage ─────────────────────────────────────────────────────────────
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# `docker build --output ./bin .` will copy everything from /out into the host.
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FROM scratch AS export
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COPY --from=builder /out/ /
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