Next.js routing example

server.js

const { createServer } = require('http')
const next = require('next')

const dbClient = require('./db')

const app = next()
const handle = app.getRequestHandler()

app.prepare().then(() => {
  createServer((req, res) => {
    
    // Fetch routing information from database.
    const { page, id } = dbClient.getRoute(req.url)

    // Render different pages based on dynamic routing information.
    app.render(req, res, page, { id })
 
  }).listen(3000, err => {
    if (err) throw err
    console.log(`> Ready on http://localhost:3000`)
  })
})