Golang中构建最小的docker镜像

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dockerfile

  • 沿着时间的轨迹，Docker 镜像构建走到了今天。追求又快又小的镜像已成为了 Docker 社区 的共识。 
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    FROM golang:1.9 as builder
    WORKDIR /go/src/git.zituo.net/niu/UserService
    COPY . .
    RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o UserServer .

    FROM alpine:latest
    LABEL maintainer = "happs.lives@gmail.com"
    RUN apk --no-cache add ca-certificates tzdata \
    			&& cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
    			&& echo "Asia/Shanghai" >  /etc/timezone \
    			&& apk del tzdata
    WORKDIR /root/UserService
    COPY --from=builder /go/src/git.zituo.net/niu/UserService/UserServer .
    COPY --from=builder /usr/local/go/lib/time/zoneinfo.zip /usr/local/go/lib/time/zoneinfo.zip
    COPY --from=builder /go/src/git.zituo.net/niu/UserService/keys/ ./keys/
    COPY --from=builder /go/src/git.zituo.net/niu/UserService/conf/ ./conf/
    EXPOSE 8001

    CMD [ "./UserServer" ]
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