node js startig server code example
Example 1: Create a server which serves at port 3000 and with node.js command prompt
// app.js
const http = require('http');
// Create an instance of the http server to handle HTTP requests
let app = http.createServer((req, res) => {
// Set a response type of plain text for the response
res.writeHead(200, {'Content-Type': 'text/plain'});
// Send back a response and end the connection
res.end('Hello World!\n');
});
// Start the server on port 3000
app.listen(3000, '127.0.0.1');
console.log('Node server running on port 3000');
//console
$ node app.js // runs it
//to open it in ur browser, go to http://localhost:3000.
Example 2: srart server js
require('dotenv').config();
const express = require('express');
const server = express();
const cors = require('cors');
const ejs = require('ejs');
const methodOverride = require('method-override');
const pg = require('pg');
const agent = require('superagent');
const client = new pg.Client(process.env.DATABASE_URL);
server.use(methodOverride('_method'));
server.use(express.static('./public'));
server.use(cors());
server.use(express.urlencoded({extended :true}));
server.set('view engine','ejs');