pnpm i

Migrate Prisma schema:

pnpm prisma migrate dev --name init

Create a Github OAuth app and copy-paste client id and secret into .env.

pnpm dev

If you're using Node.js (v18 or below) for development or production, a polyfill is required! Replace astro dev with NODE_OPTIONS=--experimental-global-webcrypto astro dev etc in package.json or import lucia-auth/polyfill/node in lib/lucia.ts:

import "lucia-auth/polyfill/node";

export const auth = lucia({
	// ...
});