# 阶段1: 构建
FROM golang:alpine AS builder

# 换国内源，避免 apk 从官方源超时
RUN sed -i 's|dl-cdn.alpinelinux.org|mirrors.aliyun.com|g' /etc/apk/repositories \
    && apk add --no-cache git ca-certificates tzdata

ENV TZ=Asia/Shanghai
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone

ENV GO111MODULE=on
ENV GOPROXY=https://goproxy.cn,direct
ENV CGO_ENABLED=0
ENV GOTOOLCHAIN=auto
WORKDIR /build

COPY . .

RUN go mod download && go mod tidy

RUN go build -ldflags="-s -w" -o main ./main.go


EXPOSE 3005

CMD ["./main"]