feat(deployment): Add Vercel deployment support and configuration

- Add .vercelignore to exclude unnecessary files from Vercel deployment
- Update README.md and README_EN.md with detailed Vercel deployment instructions
- Create vercel.json with deployment configuration
- Add one-click deployment button and multiple deployment methods
- Include environment variable setup guidance
- Highlight Vercel deployment advantages and important notes
- Improve documentation for easier deployment and setup process
Enhances project deployment flexibility and provides clear, step-by-step guidance for users looking to quickly deploy the application on Vercel.

.vercelignore

@@ -0,0 +1,12 @@
+node_modules
+.git
+.vscode
+.DS_Store
+*.log
+.env.local
+.env.me
+backend
+dist
+tests
+history
+patches

README.md

@@ -77,7 +77,61 @@
 
 ## 🚀 快速开始
 
-### 🐳 Docker 部署（推荐）
+### ☁️ Vercel 一键部署（最快捷）
+
+适合快速部署和体验，无需服务器，全球 CDN 加速。
+
+#### 方式一：一键部署按钮（推荐）⭐
+
+点击下方按钮直接部署到 Vercel：
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https://github.com/lintsinghua/XCodeReviewer)
+
+#### 方式二：通过 Vercel CLI 部署
+
+```bash
+# 1. 安装 Vercel CLI
+npm i -g vercel
+
+# 2. 登录 Vercel
+vercel login
+
+# 3. 部署项目
+vercel
+
+# 4. 部署到生产环境
+vercel --prod
+```
+
+#### 方式三：通过 Vercel Dashboard 部署
+
+1. 访问 [Vercel Dashboard](https://vercel.com/dashboard)
+2. 点击 "Add New..." → "Project"
+3. 导入你的 GitHub 仓库
+4. Vercel 会自动检测 Vite 项目配置
+5. 配置环境变量（至少需要）：
+   ```
+   VITE_LLM_PROVIDER=your_llm_provider
+   VITE_LLM_API_KEY=your_api_key_here
+   VITE_USE_LOCAL_DB=true
+   ```
+6. 点击 "Deploy"
+
+**✨ Vercel 部署优势**：
+- ✅ 全球 CDN 加速，访问速度快
+- ✅ 自动 HTTPS 和域名配置
+- ✅ 零配置，开箱即用
+- ✅ 支持自定义域名
+- ✅ 自动部署（Git 推送后自动更新）
+
+**⚠️ 注意事项**：
+- Vercel 主要用于前端部署，后端 API 需单独部署
+- 推荐使用本地数据库模式（`VITE_USE_LOCAL_DB=true`）
+- 部署后可在 `/admin` 页面进行运行时配置
+
+---
+
+### 🐳 Docker 部署（推荐生产环境）
 
 #### 方式一：使用发布的镜像（最简单）⭐
 

README_EN.md

@@ -77,7 +77,61 @@ In the fast-paced world of software development, ensuring code quality is crucia
 
 ## 🚀 Quick Start
 
-### 🐳 Docker Deployment (Recommended)
+### ☁️ Vercel One-Click Deployment (Fastest)
+
+Perfect for quick deployment and testing without a server, with global CDN acceleration.
+
+#### Method 1: One-Click Deploy Button (Recommended) ⭐
+
+Click the button below to deploy directly to Vercel:
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https://github.com/lintsinghua/XCodeReviewer)
+
+#### Method 2: Deploy via Vercel CLI
+
+```bash
+# 1. Install Vercel CLI
+npm i -g vercel
+
+# 2. Login to Vercel
+vercel login
+
+# 3. Deploy project
+vercel
+
+# 4. Deploy to production
+vercel --prod
+```
+
+#### Method 3: Deploy via Vercel Dashboard
+
+1. Visit [Vercel Dashboard](https://vercel.com/dashboard)
+2. Click "Add New..." → "Project"
+3. Import your GitHub repository
+4. Vercel will automatically detect Vite project configuration
+5. Configure environment variables (minimum required):
+   ```
+   VITE_LLM_PROVIDER=your_llm_provider
+   VITE_LLM_API_KEY=your_api_key_here
+   VITE_USE_LOCAL_DB=true
+   ```
+6. Click "Deploy"
+
+**✨ Vercel Deployment Advantages**:
+- ✅ Global CDN acceleration for fast access
+- ✅ Automatic HTTPS and domain configuration
+- ✅ Zero configuration, ready to use
+- ✅ Custom domain support
+- ✅ Automatic deployment (auto-update on Git push)
+
+**⚠️ Important Notes**:
+- Vercel is primarily for frontend deployment; backend APIs need separate deployment
+- Recommended to use local database mode (`VITE_USE_LOCAL_DB=true`)
+- After deployment, configure runtime settings at `/admin` page
+
+---
+
+### 🐳 Docker Deployment (Recommended for Production)
 
 #### Method 1: Use Published Image (Easiest) ⭐
 

vercel.json

@@ -0,0 +1,27 @@
+{
+  "version": 2,
+  "buildCommand": "npm run build",
+  "outputDirectory": "dist",
+  "framework": "vite",
+  "rewrites": [
+    {
+      "source": "/(.*)",
+      "destination": "/index.html"
+    }
+  ],
+  "headers": [
+    {
+      "source": "/assets/(.*)",
+      "headers": [
+        {
+          "key": "Cache-Control",
+          "value": "public, max-age=31536000, immutable"
+        }
+      ]
+    }
+  ],
+  "env": {
+    "VITE_LLM_PROVIDER": "@vite_llm_provider",
+    "VITE_USE_LOCAL_DB": "@vite_use_local_db"
+  }
+}