Overview
Express is the most popular web framework for Node.js. It provides a thin layer of fundamental web application features, without obscuring Node.js features that developers know and love.
Key Features
- Middleware: A powerful system for processing requests and responses in a pipeline.
- Routing: Simple and intuitive API for defining application endpoints.
- Template Engines: Support for various engines like Pug, EJS, and Handlebars.
- Performance: Minimalist design ensures high performance and low overhead.
Ecosystem
Express has a massive ecosystem of middleware for tasks like authentication, logging, and database integration, making it the foundation for many other frameworks.