Simply nodejs server.

server.js

// MIT: Copyright (C) 2023 mntone. All rights reserved.
const fs = require('fs')
const path = require('path')
const http = require('http')

const port = 80
const dirPublic = './'
const indexFile = 'index.html'

const service = (req, res) => {
	const pathname = req.url
	const root = path.resolve(dirPublic)
	const file = path.join(root, pathname)

	fs.stat(file, (err, stat) => {
		if (err) {
			console.log('err', err)
			res.write('err')
			res.end()
			return
		}

		if (stat.isDirectory()) {
			service({ url: `${req.url}/${indexFile}` }, res)
		}

		if (stat.isFile()) {
			const stream = fs.createReadStream(file)
			stream.pipe(res)
		}
	})
}

const listener = (req, res) => {
	service(req, res)
}

const server = http.createServer(listener);
server.listen(port);