better-auth-best-practices

Configure Better Auth authentication for TypeScript projects with adapters and migrations.

Updated Mar 24, 2026

Search Tags:#typescript #security #authentication #oauth #better-auth #plugins #adapters

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Skill: better-auth-best-practices
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SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Configure Better Auth server and client, set up database adapters, manage sessions, add plugins, and handle environment variables. Use when developers mention Better Auth, betterauth, auth.ts, or need to set up TypeScript authentication with email/password, OAuth, or plugin configuration.

Core Features & Use Cases

Guides end-to-end setup for server and client integration, adapters, migrations, and plugins.
Environment-driven configuration to securely manage secrets and URLs in TypeScript projects.
Common use cases include email/password authentication, social providers, and plugin-based extensions for enterprise needs.

Quick Start

Install better-auth, configure BETTER_AUTH_SECRET and BETTER_AUTH_URL, create an auth.ts with the database adapters and config, run migrations to apply the schema, and start your app to verify authentication endpoints.

Frequently Asked Questions about better-auth-best-practices

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I set up Better Auth in a TypeScript Next.js or Express application?▼

Set up Better Auth by installing the package, configuring BETTER_AUTH_SECRET and BETTER_AUTH_URL environment variables, creating an auth.ts file with database adapters, and running migrations to apply the schema.

Can I use Better Auth for email/password and OAuth social login?▼

Better Auth supports email/password authentication and OAuth social providers, configurable within the auth.ts file to handle user login flows for TypeScript projects.

What environment variables are required for Better Auth configuration?▼

Configuring Better Auth requires the BETTER_AUTH_SECRET and BETTER_AUTH_URL environment variables to securely manage secrets and URLs for your TypeScript project's authentication endpoints.

How do database adapters and migrations work with Better Auth?▼

Database adapters connect Better Auth to your database, defined within auth.ts, while running a migration command applies the necessary schema to generate the required database tables.

Can I extend Better Auth with plugins for enterprise needs?▼

Better Auth supports plugin-based extensions for enterprise needs, configurable during server and client setup within the auth.ts file to add functionality like additional authentication providers.