Update express.ts

src/config/express.ts

@@ -1,6 +1,12 @@
-import * as bodyParser from 'body-parser';
 import express from 'express';
 const morgan = require('morgan');
+const cookieParser = require('cookie-parser');
+const rateLimit = require('express-rate-limit');
+const helmet = require('helmet');
+const xss = require('xss-clean');
+const hpp = require('hpp');
+const cors = require('cors');
+const compression = require('compression');
 
 import authenticate from '../middlewares/authenticate';
 import application from '../constants/application';
@@ -10,8 +16,42 @@ import * as errorHandler from '../middlewares/apiErrorHandler';
 
 const app = express();
 
+app.enable('trust proxy');
+
+// Set Body parser, reading data from body into req.body
+app.use(express.json({ limit: '10kb' }));
+app.use(express.urlencoded({ extended: true, limit: '10kb' }));
+
+// Set Cookie parser
+app.use(cookieParser());
+
+// Set security HTTP headers
+app.use(helmet());
+
+//Limit requests from the same API
+const limiter = rateLimit({
+  max: 100,
+  windowMs: 60 * 60 * 1000,
+  messege: 'Too many requests from this IP, Please try again in an hour!'
+});
+app.use('/', limiter);
+
+//Data sanitization against XSS
+app.use(xss());
+
+// Prevent http param pollution
+app.use(hpp());
+
+// Implement CORS
+app.use(cors());
+
+app.options('*', cors());
+
+app.use(compression());
+
+app.disable('x-powered-by');
+
 require('dotenv').config();
-app.use(bodyParser.json());
 
 app.use(morgan('dev'));