AWS Lambda-Express example

app.js

const express = require("express");
const app = express();

app.get("/hello", (req, res) => {
  res.json({
    message: "Hello, World",
  });
});

app.post("/ping", (req, res) => {
  res.json({
    message: "Pong",
  });
});

module.export = app;

index.js

const express = require("express");
const app = express();

app.get("/hello", (req, res) => {
  res.json({
    message: "Hello, World",
  });
});

app.post("/ping", (req, res) => {
  res.json({
    message: "Pong",
  });
});

app.listen(process.env.PORT, () => {
  console.log("App is running...");
});

lambda.js

const awsServerlessExpress = require("aws-serverless-express");
const app = require("./app");
const server = awsServerlessExpress.createServer(app);

exports.handler = (event, context) => { 
  awsServerlessExpress.proxy(server, event, context);
}

local.js

const app = require("./app");

app.listen(process.env.PORT, () => {
  console.log("App is running...");
});