Better Auth package installation
Better Auth can be installed via npm using the command: npm i better-auth
Better Auth · Reference · all subjects
setup & configuration
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Better Auth is framework-agnostic
Better Auth is a framework-agnostic authentication and authorization framework for TypeScript.
Better Auth features and plugin ecosystem
Better Auth provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities such as 2FA and multi-tenant support.
PlanetScale PostgreSQL connection string format
The PostgreSQL connection string for PlanetScale follows the format: postgresql://<username>:<pa••••••d>@<host>/postgres?sslmode=verify-full. This string is saved as the DATABASE_URL environment variable for use with Better Auth configuration.
Installing Better Auth and PostgreSQL client
To set up Better Auth with PlanetScale PostgreSQL, install the better-auth package using npm install better-auth, then install the PostgreSQL client with npm install pg and npm install --save-dev @types/pg.
CLI commands for schema generation and migration
Run npx auth generate to generate all the schema needed to set up Better Auth, then run npx auth migrate to apply the generated schema to the database.
Better Auth configuration with PlanetScale PostgreSQL
The auth.ts configuration should import Pool from 'pg', then create a betterAuth instance with: baseURL set to the application URL, database set to new Pool({ connectionString: process.env.DATABASE_URL }), and emailAndPassword.enabled set to true.
Migration script execution
The migration script can be executed using bun migration.ts, node, ts-node, or other TypeScript/JavaScript runtime tools.