示例
示例
FROM --platform=$BUILDPLATFORM golang:1.23 AS build
ARG TARGETOS TARGETARCH
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -trimpath -ldflags='-s -w' -o /out/app .
FROM gcr.io/distroless/static-debian12:nonroot
COPY --from=build /out/app /app
ENTRYPOINT ["/app"]先复制 go.mod/go.sum 再 go mod download：依赖层缓存不随源码变化重跑；-s -w 去掉符号信息减小体积。