Express

const express = require('express');
const http = require('http');
const cors = require('cors');

const app = express();
app.use(cors());
app.use(express.json()); // json body parsing

const todoRouter = express.Router();
todoRouter
  .route('/')
  .get(getDatabaseRoute)
  .post(express.json(), postOperationsRoute);

app.use('/todos', todoRouter);

const port = process.env.PORT || 3000;
const httpServer = http.createServer(app);
httpServer.listen(port, () => {
  console.log(`Express ready at http://localhost:${port}`)
});

res.type('application/json');
res.status(403);
res.send(content);