FROM golang:1.18 as builder

# 启用go module
ENV GO111MODULE=on \
    GOPROXY=https://goproxy.cn,direct

WORKDIR /builder
COPY . .
RUN go mod download && go build -o app && upx -9 app
RUN ls -lh && chmod +x ./app

COPY . .

# 指定OS等，并go build
RUN GOOS=linux GOARCH=amd64 go build .

# 运行阶段指定scratch作为基础镜像
FROM alpine

WORKDIR /app
COPY --from=builder /builder/app ./app
CMD ./app

ENTRYPOINT ["./app"]