FROM golang:alpine as serverbuilder
ENV GO111MODULE=on \
    CGO_ENABLED=0 \
    GOOS=linux \
    GOPROXY=https://goproxy.cn,direct \
    GOARCH=amd64

WORKDIR /goapp
COPY . .

RUN go mod init ipip && go mod tidy && go build -o ipip main.go

CMD ["/goapp/ipip"]