哈尔滨美食地图

backend/Dockerfile

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+FROM golang:1.23-alpine AS build
+
+WORKDIR /src
+RUN apk add --no-cache git ca-certificates tzdata
+
+# 解决部分网络环境无法访问 proxy.golang.org 的问题（可在构建时覆盖）
+ARG GOPROXY=https://goproxy.cn,direct
+ARG GOSUMDB=sum.golang.google.cn
+ENV GOPROXY=$GOPROXY
+ENV GOSUMDB=$GOSUMDB
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -trimpath -ldflags="-s -w" -o /out/server ./cmd/server
+
+FROM alpine:3.20
+WORKDIR /app
+RUN apk add --no-cache ca-certificates tzdata su-exec && adduser -D -H appuser
+
+COPY --from=build /out/server /app/server
+COPY --from=build /src/static /app/static
+COPY --from=build /src/scripts /app/scripts
+
+ENV APP_PORT=8080
+EXPOSE 8080
+
+ENTRYPOINT ["/app/scripts/entrypoint.sh"]