# 构建阶段
FROM golang:alpine AS builder
WORKDIR /build
COPY . .
RUN go build -ldflags="-s -w" -o godns .

# 运行阶段
FROM alpine:latest
RUN apk --no-cache add ca-certificates
WORKDIR /godns
COPY --from=builder /build/godns .
COPY data ./data

VOLUME ["/godns/data"]
ENTRYPOINT ["/godns/godns"]