sls.js

const express = require('express');
const path = require('path');
const app = express();

app.all('*',(req,res,next)=>{
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Methods','PUT,GET,POST,DELETE,OPTIONS');
  res.header("Access-Control-Allow-Headers", "X-Requested-With");
  res.header('Access-Control-Allow-Headers','Content-Type');
  res.header('Access-Control-Allow-Credentials',true);
  next();
})

// Routes
app.get('/user', (req, res) => {
  res.send([
    {
      title: 'serverless framework',
      link: 'https://serverless.com',
    },
  ]);
});

app.get('/user/:id', (req, res) => {
  const id = req.params.id;
  res.send({
    id: id,
    title: 'serverless framework',
    link: 'https://serverless.com',
  });
});

app.get('/404', (req, res) => {
  res.status(404).send('Not found');
});

app.get('/500', (req, res) => {
  res.status(500).send('Server Error');
});

// Error handler
app.use(function (err, req, res, next) {
  console.error(err);
  res.status(500).send('Internal Serverless Error');
});

module.exports = app;