update once

Dockerfile

@@ -0,0 +1,15 @@
+# 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"]