next-auth

import NextAuth, { type AuthOptions } from 'next-auth'; import GitHubProvider from 'next-auth/providers/github'; // For production, ensure these are robustly set via environment variables. // Example using a database adapter (uncomment and install if needed): // import { MongoDBAdapter } from '@next-auth/mongodb-adapter'; // import clientPromise from '../../../lib/mongodb'; // Your MongoDB connection logic export const authOptions: AuthOptions = { // Configure one or more authentication providers providers: [ GitHubProvider({ clientId: process.env.GITHUB_ID ?? '', clientSecret: process.env.GITHUB_SECRET ?? '' }) // ...add more providers here ], // Optional: Add a database adapter if you want to persist user sessions // adapter: MongoDBAdapter(clientPromise), // REQUIRED: A secret to sign and encrypt session tokens. // Use `openssl rand -base64 32` to generate a strong one. secret: process.env.NEXTAUTH_SECRET ?? '', // Callbacks are essential for custom session data, redirects, etc. // https://next-auth.js.org/configuration/callbacks callbacks: { async session({ session, token, user }) { // Example: add user ID to session (useful for database-backed sessions) if (token?.sub) { session.user.id = token.sub; } return session; } }, // Enable debug messages in the console during development debug: process.env.NODE_ENV === 'development' }; export default NextAuth(authOptions);