Question 1

How to create API routes in Next.js?

Accepted Answer

Create files in the 'pages/api' directory that export functions handling HTTP requests, allowing backend logic within the same project. This integrates seamlessly with the frontend for full-stack development.

Question 2

Next.js vs Gatsby: which is better for static sites?

Accepted Answer

Next.js is more flexible with hybrid rendering and incremental updates, while Gatsby excels at pure static sites with rich plugins. Choose Next.js if you need SSR or dynamic content alongside static generation.

Question 3

Can I use Next.js without server-side rendering?

Accepted Answer

Yes, you can use static generation for all pages or disable SSR selectively. Next.js supports hybrid approaches, allowing you to mix static and client-side rendering as needed.

Question 4

How does Next.js handle SEO optimization?

Accepted Answer

It improves SEO by enabling server-side rendering to deliver fully rendered HTML to search engines. Built-in features like meta tags and image optimization further enhance crawlability and performance.

Question 5

What are the deployment options for Next.js?

Accepted Answer

Next.js can be deployed to any Node.js hosting service, but it's optimized for Vercel with features like serverless functions. Alternatives include AWS, Netlify, or Docker containers for custom setups.

Question 6

How to add authentication to a Next.js app?

Accepted Answer

Use Next.js API routes for custom backend logic or libraries like NextAuth.js for simplified integration. It supports various providers (OAuth, credentials) and session management out of the box.

Next.js TypeScript and GraphQL Example

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