Documenting your Express API with Swagger

This tutorial provides a comprehensive guide on using Swagger to document an Express.js API, outlining the steps to integrate Swagger with Node.js applications through libraries like swagger-ui-express and swagger-jsdoc. It highlights the benefits of Swagger, such as improving API understanding and synchronization between client and server sides, while also making API documentation accessible to both developers and non-developers. The tutorial walks through setting up an Express.js API, configuring Swagger for OpenAPI 3.1.0, creating API models, and mapping endpoints with JSDoc comments to define schemas and operations. It also discusses customizing Swagger UI with CSS and emphasizes the importance of maintaining up-to-date documentation as part of team culture. The article concludes by showcasing how to test endpoints using Swagger UI and highlights LogRocket's capabilities for monitoring and enhancing digital experiences.