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Next.js Authentication Setup

Complete NextAuth.js implementation with multiple authentication methods.

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The Challenge

Setting up NextAuth.js requires configuring providers, database adapters, session strategies, protected routes, middleware, and handling edge cases. Documentation is scattered.

What's Included

  • NextAuth.js configured with multiple providers (Google, GitHub, Email)
  • Credentials provider for custom login
  • Magic link authentication via email
  • Prisma adapter for database sessions
  • Middleware for protected routes
  • Server-side session validation
  • Role-based access control
  • Custom login and signup pages

Technical Implementation

  • NextAuth.js API route configured in app/api/auth/[...nextauth]
  • Multiple OAuth providers with environment variables
  • Prisma adapter stores sessions in database
  • Middleware checks authentication on protected routes
  • Server components can access session server-side
  • Client components use useSession hook
  • JWT strategy for stateless authentication
  • Database strategy for persistent sessions

See It Working

View Demo

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