feat(deploy): 重构部署方案并添加 nginx 代理

- 新增 nginx 服务作为前端和后端的代理
- 重新配置前端和后端服务，不再直接暴露端口
- 更新前端 Dockerfile，简化为静态文件服务器- 在 MarkdownViewer 组件中添加 ExternalLink 图标

BillNote_frontend/Dockerfile

@@ -1,5 +1,5 @@
 # === 前端构建阶段 ===
-FROM node:18-alpine AS build
+FROM node:18-alpine AS builder
 
 # 安装 pnpm
 RUN npm install -g pnpm
@@ -13,20 +13,13 @@ COPY ./BillNote_frontend /app
 # 安装依赖并构建
 RUN pnpm install && pnpm run build
 
-# === nginx 运行阶段 ===
-FROM nginx:alpine
+# --- 阶段2：使用 nginx 作为静态服务器 ---
+FROM nginx:1.25-alpine
+
+# 删除默认配置（可选）
+RUN rm -rf /etc/nginx/conf.d/default.conf
+COPY ./BillNote_frontend/deploy/default.conf /etc/nginx/conf.d/default.conf
 
-# 拷贝模板配置
-COPY ./BillNote_frontend/deploy/default.conf.template /etc/nginx/templates/default.conf.template
 
 # 拷贝构建产物
-COPY --from=build /app/dist /usr/share/nginx/html
-
-# 拷贝启动脚本
-COPY ./BillNote_frontend/deploy/start.sh /start.sh
-RUN chmod +x /start.sh
-
-EXPOSE 80
-
-# 使用启动脚本启动容器
-CMD ["/start.sh"]
+COPY --from=builder /app/dist /usr/share/nginx/html

BillNote_frontend/deploy/default.conf

@@ -0,0 +1,11 @@
+server {
+  listen 80;
+  server_name localhost;
+
+  root /usr/share/nginx/html;
+  index index.html;
+
+  location / {
+    try_files $uri /index.html;
+  }
+}

BillNote_frontend/src/pages/HomePage/components/MarkdownViewer.tsx

@@ -1,7 +1,7 @@
 import { useState, useEffect } from 'react'
 import ReactMarkdown from 'react-markdown'
 import { Button } from '@/components/ui/button.tsx'
-import { Copy, Download, ArrowRight,Play  } from 'lucide-react'
+import { Copy, Download, ArrowRight,Play,ExternalLink  } from 'lucide-react'
 import { toast } from 'react-hot-toast'
 import Error from '@/components/Lottie/error.tsx'
 import Loading from '@/components/Lottie/Loading.tsx'