Overview:
OpenNext is a tool that converts Next.js build output into packages deployable across different environments. It provides native support for AWS Lambda and classic Node.js Server, with a focus on supporting all Next.js 14 features. The tool is utilized by companies like Gymshark UK, Udacity, TUDN, and NHS England.
Features:
- App & Pages Router
 - API routes
 - Dynamic routes
 - Static site generation (SSG)
 - Server-side rendering (SSR)
 - Incremental static regeneration (ISR)
 - Middleware
 - Server actions
 - Image optimization
 - NextAuth.js
 - Running at edge
 - Almost no cold start
 
Installation:
- To install OpenNext, clone the repository.
 - Build open-next with the following command:
npm run build - Run open-next in watch mode by executing:
npm run watch - Make changes in open-next and build your Next.js app to test the changes.
 
Summary:
OpenNext is a versatile tool that streamlines the deployment of Next.js applications across various environments, focusing on maximizing performance and supporting cutting-edge Next.js 14 features. Through its support for AWS Lambda and Node.js Server, it enables seamless deployment for leading companies, allowing for dynamic routing, static site generation, server-side rendering, and more. The tool offers a straightforward installation process and valuable features like image optimization, NextAuth.js integration, and minimizing cold starts, making it a valuable asset for developers looking to enhance their Next.js projects.