支持vercel部署

README.md

@@ -28,6 +28,7 @@ ZhipuAI (智谱清言) 接口转API [glm-free-api](https://github.com/LLM-Red-Te
   * [多账号接入](#多账号接入)
 * [Docker部署](#Docker部署)
   * [Docker-compose部署](#Docker-compose部署)
+* [Vercel部署](#Vercel部署)
 * [原生部署](#原生部署)
 * [接口列表](#接口列表)
   * [对话补全](#对话补全)
@@ -143,6 +144,14 @@ services:
       - TZ=Asia/Shanghai
 ```
 
+### Vercel部署
+
+**注意：Vercel免费账户的请求响应超时时间为10秒，但接口响应通常较久，可能会遇到Vercel返回的504超时错误**
+
+点击按钮快速部署：
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/import/project?template=https://github.com/LLM-Red-Team/kimi-free-api)
+
 ## 原生部署
 
 请准备一台具有公网IP的服务器并将8000端口开放。

src/lib/logger.ts

@@ -9,13 +9,15 @@ import { format as dateFormat } from 'date-fns';
 import config from './config.ts';
 import util from './util.ts';
 
+const isVercelEnv = process.env.VERCEL;
+
 class LogWriter {
 
     #buffers = [];
 
     constructor() {
-        fs.ensureDirSync(config.system.logDirPath);
-        this.work();
+        !isVercelEnv && fs.ensureDirSync(config.system.logDirPath);
+        !isVercelEnv && this.work();
     }
 
     push(content) {
@@ -24,16 +26,16 @@ class LogWriter {
     }
 
     writeSync(buffer) {
-        fs.appendFileSync(path.join(config.system.logDirPath, `/${util.getDateString()}.log`), buffer);
+        !isVercelEnv && fs.appendFileSync(path.join(config.system.logDirPath, `/${util.getDateString()}.log`), buffer);
     }
 
     async write(buffer) {
-        await fs.appendFile(path.join(config.system.logDirPath, `/${util.getDateString()}.log`), buffer);
+        !isVercelEnv && await fs.appendFile(path.join(config.system.logDirPath, `/${util.getDateString()}.log`), buffer);
     }
 
     flush() {
         if(!this.#buffers.length) return;
-        fs.appendFileSync(path.join(config.system.logDirPath, `/${util.getDateString()}.log`), Buffer.concat(this.#buffers));
+        !isVercelEnv && fs.appendFileSync(path.join(config.system.logDirPath, `/${util.getDateString()}.log`), Buffer.concat(this.#buffers));
     }
 
     work() {

vercel.json

@@ -0,0 +1,27 @@
+{
+    "builds": [
+        {
+            "src": "./dist/*.html",
+            "use": "@vercel/static"
+        },
+        {
+            "src": "./dist/index.js",
+            "use": "@vercel/node"
+        }
+    ],
+    "routes": [
+        {
+            "src": "/",
+            "dest": "/dist/welcome.html"
+        },
+        {
+            "src": "/(.*)",
+            "dest": "/dist",
+            "headers": {
+                "Access-Control-Allow-Credentials": "true",
+                "Access-Control-Allow-Methods": "GET,OPTIONS,PATCH,DELETE,POST,PUT",
+                "Access-Control-Allow-Headers": "X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version, Content-Type, Authorization"
+            }
+        }
+    ]
+}