server.js

const http = require('http')
const path = require('path')
const fs = require('fs')
const port = 3030
const server = http.createServer()

server.on('request', (req, res) => {
  if (req.url === '/' || req.url === '/index.html') {
    const filePath = path.join(__dirname, 'index.html')
    fs.readFile(filePath, (err, data) => {
      if (err) {
        res.writeHead(404, { 'Content-Type': 'text/plain' })
        res.end('404 Not Found')
      } else {
        res.writeHead(200, { 'Content-Type': 'text/html' })
        res.end(data)
      }
    })
  } else {
    res.writeHead(404, { 'Content-Type': 'text/plain' })
    res.end('404 Not Found')
  }
})

server.listen({ port }, () => {
  console.log(`Server running at http://localhost:${port}/`)
})