auth-js

Production-ready Auth.js v5 setup for Next.js and Cloudflare Workers.Use when: setting up authentication, implementing OAuth/credentials/magic links,configuring D1 or PostgreSQL adapters, debugging session issues, migrating fromv4 to v5, fixing edge compatibility, troubleshooting JWT/database sessions,resolving AUTH_SECRET errors, fixing CallbackRouteError, or implementing RBAC.Covers: Next.js App Router & Pages Router, Cloudflare Workers + D1, OAuth providers(GitHub, Google, etc.), credentials auth, magic links, JWT vs database sessions,middleware patterns, role-based access control, token refresh, edge runtimecompatibility, and common error prevention.Keywords: Auth.js, NextAuth.js, authentication, OAuth, credentials, magic links,D1 adapter, Cloudflare Workers, Next.js middleware, JWT session, database session,refresh tokens, RBAC, edge compatibility, AUTH_SECRET, CallbackRouteError,CredentialsSignin, JWEDecryptionFailed, session not updating, route protection