Question 1

How to deploy Next.js without using Vercel?

Accepted Answer

Next.js can be deployed on any Node.js hosting service or static site host by building and exporting the project, but some features like image optimization may require additional configuration or fallbacks.

Question 2

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

Accepted Answer

Next.js offers more flexibility with hybrid rendering and full-stack capabilities, while Gatsby is optimized for static sites with a rich plugin ecosystem; choose Next.js if you need dynamic features or plan to scale beyond static content.

Question 3

How to handle authentication in a Next.js app?

Accepted Answer

Use API routes for custom backend logic, integrate with providers like Auth.js (formerly NextAuth.js), or leverage middleware for server-side authentication, depending on your rendering strategy and security needs.

Question 4

What are the performance downsides of Next.js server-side rendering?

Accepted Answer

SSR can increase server load and latency for dynamic content, requiring careful caching strategies or use of incremental static regeneration to balance performance with real-time data updates.

Question 5

How to migrate from Create React App to Next.js?

Accepted Answer

Gradually adopt Next.js features by moving components to the pages directory, setting up routing, and leveraging static generation or SSR where needed, while keeping existing React code largely compatible.

Question 6

Next.js API routes vs a separate backend server?

Accepted Answer

API routes are convenient for small to medium projects with integrated frontend-backend logic, but for complex microservices or scalability, a separate backend might offer better separation of concerns and resource management.

Next.js

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