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 devices and backup codes for account recovery
• Building multi-tenant apps with organizations or SSO
• Creating protected routes with session management

Quick Start