@vendia/serverless-express

What is @vendia/serverless-express?

@vendia/serverless-express is an npm package that allows you to run an Express.js application on AWS Lambda and Amazon API Gateway. It simplifies the process of deploying Express.js applications in a serverless environment, providing a seamless integration with AWS services.

What are @vendia/serverless-express's main functionalities?

Basic Setup

This code demonstrates the basic setup of an Express.js application using @vendia/serverless-express. It creates a simple Express app with a single route and exports a Lambda handler.

const serverlessExpress = require('@vendia/serverless-express');
const app = require('express')();

app.get('/hello', (req, res) => {
  res.send('Hello, world!');
});

exports.handler = serverlessExpress({ app });

Custom Lambda Handler

This code shows how to create a custom Lambda handler using @vendia/serverless-express. It allows more control over the Lambda function's behavior by manually creating the server and proxying the event and context.

const serverlessExpress = require('@vendia/serverless-express');
const app = require('express')();

app.get('/hello', (req, res) => {
  res.send('Hello, world!');
});

const server = serverlessExpress.createServer(app);

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

Middleware Integration

This example demonstrates how to integrate middleware into an Express.js application using @vendia/serverless-express. It includes JSON parsing and a custom logging middleware.

const serverlessExpress = require('@vendia/serverless-express');
const express = require('express');
const app = express();

app.use(express.json());
app.use((req, res, next) => {
  console.log('Request received:', req.method, req.path);
  next();
});

app.get('/hello', (req, res) => {
  res.send('Hello, world!');
});

exports.handler = serverlessExpress({ app });

Other packages similar to @vendia/serverless-express

aws-serverless-express

aws-serverless-express is another package that allows you to run Express.js applications on AWS Lambda and Amazon API Gateway. It provides similar functionality to @vendia/serverless-express but is less actively maintained. It also requires more boilerplate code for setup compared to @vendia/serverless-express.

serverless-http

serverless-http is a versatile package that supports multiple web frameworks, including Express.js, Koa, and Hapi, for deployment on AWS Lambda. It offers a more generic solution compared to @vendia/serverless-express, which is specifically tailored for Express.js applications.

lambda-api

lambda-api is a lightweight framework designed specifically for building APIs on AWS Lambda. While it is not based on Express.js, it offers a similar routing and middleware system. It is a good alternative if you are looking for a more Lambda-native solution without the overhead of Express.js.

README

Serverless Express is now part of Code Genie 🎉

Serverless Express has moved to @codegenie/serverless-express. Please update your dependencies to receive the latest changes.

npm uninstall @vendia/serverless-express
npm i @codegenie/serverless-express