Using the middleware pattern in now.sh

index.js

const Chain = require("middleware-chain-js");
const bodyParser = require("body-parser");

const app = new Chain();

//* parses JSON content
app.use(bodyParser.json());

app.use(function(req, res) {
  console.log(req.body);
  res.end("Hello!");
});

module.exports = function(req, res) {
  app.handle(req, res);
};