NodeJS reverse proxy with websocket support

reverse-proxy.js

import express from 'express'
import { createProxyMiddleware } from 'http-proxy-middleware'

const PORT = process.env.PORT || 8000

const app = express();

app.use(
  '/',
  createProxyMiddleware({
    target: 'https://example.com',
    changeOrigin: true,
    ws: true
  }),
)

app.listen(PORT);
console.log('Listening on port', PORT)