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Dockerfile

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+# ===================================
+# Stage 1: 依赖安装
+# ===================================
+FROM node:20-alpine AS deps
+RUN apk add --no-cache libc6-compat
+WORKDIR /app
+
+# 配置镜像源加速
+RUN npm config set registry https://registry.npmmirror.com && \
+    npm config set fetch-timeout 600000
+
+COPY package.json pnpm-lock.yaml* ./
+
+# 只安装生产依赖
+RUN if [ -f pnpm-lock.yaml ]; then \
+      corepack enable && \
+      pnpm config set registry https://registry.npmmirror.com && \
+      pnpm config set fetch-timeout 600000 && \
+      pnpm i --frozen-lockfile; \
+    else \
+      npm ci; \
+    fi
+
+# ===================================
+# Stage 2: 构建阶段
+# ===================================
+FROM node:20-alpine AS builder
+WORKDIR /app
+
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# 创建必要的目录
+RUN mkdir -p public
+
+# 禁用遥测
+ENV NEXT_TELEMETRY_DISABLED=1
+
+# 构建应用（会生成 .next/standalone 目录）
+RUN npm run build
+
+# ===================================
+# Stage 3: 生产运行（极致轻量）
+# ===================================
+FROM node:20-alpine AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+# 创建非特权用户
+RUN addgroup --system --gid 1001 nodejs && \
+    adduser --system --uid 1001 nextjs
+
+# 只复制必要的文件（standalone 模式）
+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
+
+# 创建数据目录并设置权限
+RUN mkdir -p /app/data && \
+    chown -R nextjs:nodejs /app/data && \
+    chmod -R 755 /app/data
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+# 使用 node 直接启动，不需要 npm（更轻量）
+CMD ["node", "server.js"]