Better Auth Integration Guide Overview Better Auth is a type-safe authentication framework for TypeScript supporting multiple providers, 2FA, SSO, organizations, and passkeys. This skill covers integration patterns for NestJS backend with Drizzle ORM + PostgreSQL and Next.js App Router frontend. When to Use - Setting up Better Auth with NestJS backend - Integrating Next.js App Router frontend - Configuring Drizzle ORM schema with PostgreSQL - Implementing social login (GitHub, Google, Facebook, Microsoft) - Adding MFA/2FA with TOTP, passkey passwordless auth, or magic links - Managing trusted…