Add rate limits

index.js

@@ -27,10 +27,22 @@ process.on('unhandledRejection', (reason, promise) => {
 })
 
 const express = require('express');
+const RateLimit = require('express-rate-limit');
 const http = require('http');
+
+const limiter = RateLimit({
+	windowMs: 5 * 60 * 1000, // 5 minutes
+	max: 100, // Limit each IP to 100 requests per `window` (here, per 5 minutes)
+	message: 'Too many requests from this IP Address, please try again after 5 minutes.',
+	standardHeaders: true, // Return rate limit info in the `RateLimit-*` headers
+	legacyHeaders: false, // Disable the `X-RateLimit-*` headers
+})
+
 const app = express();
 const port = process.env.PORT || 3000;
 
+app.use(limiter);
+
 app.use(express.static('public'));
 
 app.use(function(req, res) {

package-lock.json

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+}

package.json

@@ -4,6 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
+    "start": "node index.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "",