Connexion GitHub dans Next.js

You want "Sign in with GitHub" in a Next.js (App Router) app, with real sessions in your own database, and you would rather not wire OAuth, cookies and session rotation by hand. @core/auth drops that code into src/lib/auth, where you can read and change it.

1. Install the module

npx @genpm-net/cli add @core/auth

It also installs @core/db (Postgres + Drizzle) because auth stores users and sessions there. Nothing runs on your machine: the code lands in src/lib/, pinned to a commit in genpm.lock, with an AGENTS.md per module for your AI.

Prefer to ask your agent? With the MCP server connected, say: "Add GitHub login to this project with genpm." It searches, shows you the files and asks before installing.

2. Configure the environment

# .env.local
DATABASE_URL=postgres://…
AUTH_SECRET=   # openssl rand -base64 32
GITHUB_CLIENT_ID=
GITHUB_CLIENT_SECRET=

Create a GitHub OAuth app with the callback URL http://localhost:3000/auth/callback/github (and your production URL later). Google works the same way with GOOGLE_CLIENT_ID and GOOGLE_CLIENT_SECRET.

3. Create the tables

Follow src/lib/db/AGENTS.md: add drizzle-kit, then generate and apply one migration for every installed module.

4. Mount three routes

// app/auth/login/[provider]/route.ts
export { loginRoute as GET } from '@/lib/auth/adapters/next';
// app/auth/callback/[provider]/route.ts
export { callbackRoute as GET } from '@/lib/auth/adapters/next';
// app/auth/logout/route.ts
export { logoutRoute as POST } from '@/lib/auth/adapters/next';

Delete src/lib/*/adapters/hono.ts: a Next.js project does not use Hono.

5. Use it

import { cookies } from 'next/headers';
import { getUser } from '@/lib/auth/adapters/next';

export default async function Page() {
  const user = await getUser(await cookies());
  return user ? <p>Hi {user.name}</p> : <a href="/auth/login/github?returnTo=/">Sign in with GitHub</a>;
}

Open /auth/login/github, finish the flow and you are in. Sessions are stored hashed, renewed automatically and revoked on logout.

Next: add subscriptions with Stripe subscriptions in Next.js.