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+# 阶段 1: 构建应用
+FROM node:bullseye AS builder
+
+# 设置工作目录
+WORKDIR /app
+
+# 安装依赖 (利用 Docker 层缓存)
+COPY package.json yarn.lock* package-lock.json* ./
+RUN npm ci --omit=dev
+
+# 复制源代码
+COPY . .
+
+# 构建应用 (standalone 模式)
+RUN npm run build
+
+# 阶段 2: 创建轻量级运行环境
+FROM node:bullseye AS runner
+WORKDIR /app
+
+# 不要以 root 用户运行
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+USER nextjs
+
+# 从构建阶段复制必要文件
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+COPY --from=builder --chown=nextjs:nodejs /app/public ./public
+
+# 设置环境变量
+ENV NODE_ENV=production
+ENV PORT=3000
+
+# 暴露端口
+EXPOSE 3000
+
+# 启动命令
+CMD ["node", "server.js"]
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