From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Using a database in Next.js (fullstack data persistence)

Using a database in Next.js (fullstack data persistence)

From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Using a database in Next.js (fullstack data persistence)

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Hello, and welcome! In this session, we're going to take a major step in your journey as a full-stack developer. We'll be upgrading our Next.js application from using a simple JSON file for data storage to a real, robust SQLite database. By the end of this lecture, you will be able to integrate a proper database into a Next.js app using its built-in API routes to persist and retrieve data. This is a crucial skill that moves you away from temporary storage methods and prepares you for building scalable, production-ready applications. Let's start by looking at our initial setup. This is a standard Next.js API route. Right now, it handles two HTTP methods – GET and POST. The GET function reads a local JSON file named messages.json, parses it, and sends the contents back to the client. The POST function does the reverse. It reads the existing messages, adds a new one with a manually calculated ID, and then writes the entire updated array back to the messages.json file. While this works…

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