# 神射手数据中台 - Docker 镜像（NAS/生产）
# 多阶段：构建 Next.js standalone → 运行

FROM node:20-alpine AS builder

WORKDIR /app

# 依赖：仅复制 package.json，在 Linux 下安装以得到正确的 @next/swc-linux-*（避免 darwin 专用包）
COPY package.json ./
RUN npm install

COPY . .
RUN (pnpm run build 2>/dev/null || npm run build)

# 运行阶段：仅保留 standalone 输出
FROM node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production
ENV PORT=3117
EXPOSE 3117

# 从构建阶段复制 standalone
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

# 无 root 运行
RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs && \
    chown -R nextjs:nodejs /app
USER nextjs

CMD ["node", "server.js"]