The article emphasizes the critical importance of scalability in modern applications, especially for those using the MERN stack (MongoDB, Express, React, Node.js). As applications grow in user base and data, they often encounter performance issues if not initially designed for scalability. Key principles include maintaining simplicity, modular design, and planning for growth. It highlights various strategies for both backend and frontend development, emphasizes effective API communication, and outlines deployment strategies using cloud platforms. The piece concludes with reminders on the common pitfalls of neglecting scalability and the need for continuous monitoring and improvement.
Building an app that works is one thing. Building an app that keeps working as it grows is another.
Scalability means your app can handle more users and data while staying fast and reliable as it grows.
You need to think about scalability early. Not after problems start. Not when it’s too late.
Most modern apps run in the cloud, and expectations are high—nobody waits for a slow app.
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