Node JS upgrade 18 docs (#2522)

* chore: node js upgrd

* fix: test case failure

* chore: update node js v18 docs

Author: kamaksheeAtl

CONTRIBUTING.md

@@ -16,7 +16,7 @@ Please note that this project has a [Contributor Code of Conduct](CODE_OF_CONDUC
 
 ## Getting Started
 
-This app is written in [Typescript](https://www.typescriptlang.org/) and runs on [Node.js](https://nodejs.org/) **v14.x**. 
+This app is written in [Typescript](https://www.typescriptlang.org/) and runs on [Node.js](https://nodejs.org/) **v18.x**. 
 
 Please install [Docker](https://www.docker.com/get-started) and [Docker Compose](https://docs.docker.com/compose/install/) to easily run the project locally.
 

src/spa-proxy.ts

@@ -6,7 +6,7 @@ const SPA_PATH = "/spa";
 
 const proxy = httpProxy.createProxyServer({
 	target: {
-		host: "localhost",
+		host: "127.0.0.1",
 		port: 3000,
 		path: SPA_PATH
 	},