.

Dockerfile

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+# ===== 构建阶段 =====
+FROM node:18.20.6 AS builder
+
+# 安装指定版本的 npm 和 pm2
+RUN npm install -g npm@10.8.2 \
+    && npm install -g pm2@5.4.3
+
+WORKDIR /app
+
+# 拷贝依赖文件并安装生产依赖
+COPY package.json package-lock.json ./
+RUN npm ci
+
+# 拷贝全部源码
+COPY . .
+
+# 构建项目
+RUN npm run build
+
+
+# ===== 运行阶段 =====
+FROM node:18.20.6 AS runner
+
+# 安装指定版本的 npm 和 pm2
+RUN npm install -g npm@10.8.2 \
+    && npm install -g pm2@5.4.3
+
+WORKDIR /app
+
+# 拷贝依赖声明并安装仅生产依赖
+COPY package.json package-lock.json ./
+RUN npm ci --omit=dev
+
+# 拷贝构建产物和依赖
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package.json ./package.json
+
+# 环境变量与端口
+ENV NODE_ENV=production
+EXPOSE 3000
+
+# 正确使用 pm2-runtime 保持容器挂起
+CMD ["pm2-runtime", "start", "npm", "--name", "chatai-ui", "--", "run", "start"]