feat: depoly on now serverless function (#4554)

.gitignore

@@ -15,3 +15,5 @@ tmp
 *.iml
 coverage
 .env
+
+.now

api/now.js

@@ -0,0 +1,10 @@
+const path = require('path');
+const moduleAlias = require('module-alias');
+moduleAlias.addAlias('@', path.join(__dirname, '../lib'));
+const logger = require('@/utils/logger');
+logger.clear();
+const s = require('@/app.js').callback();
+
+module.exports = (req, res) => {
+    s(req, res);
+};

docs/en/install/README.md

@@ -263,6 +263,10 @@ env_variables:
 # [END app_yaml]
 ```
 
+#### Deploy to Vercel(Zeit Now)
+
+Project export a now serverless function with a `now.json` configuration，After installing[Vercel(Zeit Now)](https://vercel.com/docs/now-cli)，just run `now` in project directory, RSSHub is on now serverless function.
+
 ### Install
 
 Under RSSHub's root directory, execute the following commands to launch RSSHub

docs/install/README.md

@@ -267,6 +267,10 @@ env_variables:
 # [END app_yaml]
 ```
 
+#### 部署至 Vercel(Zeit Now)
+
+项目中导出了 now serverless function 并附带 `now.json`相关配置，安装了[Vercel(Zeit Now)](https://vercel.com/docs/now-cli)之后，只需要在项目中运行`now` 即可部署到 Now 的云函数上。
+
 ### 安装
 
 在 RSSHub 项目根目录下运行

lib/utils/logger.js

@@ -1,3 +1,4 @@
+const { resolve } = require('path');
 const winston = require('winston');
 const config = require('@/config').value;
 
@@ -10,10 +11,10 @@ const logger = winston.createLogger({
         // - Write all logs error (and below) to `error.log`.
         //
         new winston.transports.File({
-            filename: 'logs/error.log',
+            filename: resolve('logs/error.log'),
             level: 'error',
         }),
-        new winston.transports.File({ filename: 'logs/combined.log' }),
+        new winston.transports.File({ filename: resolve('logs/combined.log') }),
     ],
 });
 

now.json

@@ -0,0 +1,7 @@
+{
+    "version": 2,
+    "routes": [
+        { "src": "/api/.*", "dest": "/api/now.js" },
+        { "src": "/.*", "dest": "/api/now.js" }
+    ]
+}