Best practices for building large-scale Node.js applications.

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Node.js is a popular and powerful platform for building scalable and efficient web applications. However, building large-scale Node.js applications requires careful planning and implementation to ensure they are robust, maintainable, and efficient. In this article, we will explore some best practices for building large-scale Node.js applications. We will cover topics such as using a scalable architecture, using a package manager, environment variables, logging and monitoring, and automated testing. By following these best practices, you can create high-performing and reliable Node.js applications that can scale to meet the needs of your users.

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1. Use a Scalable Architecture

To build a large-scale Node.js application, it’s essential to use a scalable architecture. This means breaking the application down into smaller, more manageable modules that can be scaled up or down as needed. A good architecture for a large-scale Node.js application typically involves using a combination of microservices, APIs, and a central database.

Here’s an example of a scalable architecture for a Node.js application: