chainingMiddlewares.js

function logFirst(req, res, next){
  console.log("First!");
  next();
}

function logSecond(req, res, next){
  console.log("Second!");
  next();
}

function logThird(req, res, next){
  console.log("Third!");
  next();
}

app.use(logFirst, logSecond, logThird);