# ============================================================
# Stage 1: 构建前端 (Vue 3 + Vite)
# ============================================================
FROM node:23-alpine AS frontend-builder
WORKDIR /build
COPY frondend/package*.json ./
RUN npm ci
COPY frondend/ ./
RUN npm run build

# ============================================================
# Stage 2: 构建后端 (Go + Fiber)
# ============================================================
FROM golang:1.26-alpine AS backend-builder
WORKDIR /build
ENV GOPROXY=https://goproxy.cn,direct
COPY backed/go.mod backed/go.sum ./
RUN go mod download
COPY backed/ ./
RUN go build -ldflags="-s -w" -o server ./cmd/server/

# ============================================================
# Stage 3: 运行时镜像（仅含二进制 + 前端静态文件）
# ============================================================
FROM alpine:latest
RUN apk add --no-cache ca-certificates tzdata
# 时区固定为北京时间（tzdata 已安装；进程层 main.go 另有 time.Local 兜底）
ENV TZ=Asia/Shanghai
COPY --from=backend-builder /build/server /app/server
COPY --from=frontend-builder /build/dist /app/dist
WORKDIR /app
EXPOSE 8093
CMD ["./server"]