dev 分支暂存

backend/gateway/Dockerfile

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+# ========== 构建阶段 ==========
+FROM golang:1.23-alpine AS builder
+
+RUN apk add --no-cache git ca-certificates
+
+WORKDIR /app
+
+# 复制 go.mod/go.sum 并下载依赖
+COPY go.mod go.sum ./
+RUN go mod download
+
+# 复制源代码
+COPY . .
+
+# 编译 (静态链接)
+RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /gateway ./cmd/main.go
+
+# ========== 运行阶段 ==========
+FROM alpine:3.20
+
+RUN apk add --no-cache ca-certificates tzdata && \
+    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
+    echo "Asia/Shanghai" > /etc/timezone
+
+WORKDIR /app
+
+# 从构建阶段复制二进制文件
+COPY --from=builder /gateway .
+
+# 非 root 用户
+RUN adduser -D -H cyrene
+USER cyrene
+
+EXPOSE 8080
+
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/api/v1/health || exit 1
+
+ENTRYPOINT ["./gateway"]