优化 dockerfile

Dockerfile

@@ -1,5 +1,5 @@
 # 构建阶段
-FROM node:18-alpine as builder
+FROM node:18-alpine AS builder
 
 # 设置工作目录
 WORKDIR /app
@@ -7,8 +7,8 @@ WORKDIR /app
 # 复制package.json和package-lock.json
 COPY package*.json ./
 
-# 安装依赖
-RUN npm install
+# 设置淘宝源并安装依赖
+RUN npm config set registry https://registry.npmmirror.com && npm install
 
 # 复制项目文件
 COPY . .
@@ -25,10 +25,11 @@ WORKDIR /app
 # 复制必要的文件
 COPY --from=builder /app/package*.json ./
 COPY --from=builder /app/.next ./.next
-COPY --from=builder /app/public ./public
+# 复制public目录（如果存在）
+COPY --from=builder /app/public* ./public/
 
-# 安装生产依赖
-RUN npm install --only=production
+# 设置淘宝源并安装生产依赖
+RUN npm config set registry https://registry.npmmirror.com && npm install --only=production
 
 # 暴露3000端口
 EXPOSE 3000