Design and generate a fully functional, scalable backend API for an e-commerce platform using a modern technology stack (e.g., Node.js with Express or similar). The API should follow best practices for clean architecture, modular folder structure, and maintainability. Include the following core modules and features: Make sure that the code [...]

Use Node.js and Express.js to design and construct a scalable, production-ready RESTful API. The API should adhere to the most effective methods for performance, modularity, and maintainability. Add the following prerequisites: Give concise descriptions for each main component together with well-organized, annotated code. [...]