AuthCore

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API-Only Example ​

Separate Express API backend + React SPA frontend communicating via Bearer token auth.

View source on GitHub

Architecture ​

examples/api-only/
├── backend/    Express + Prisma + @authcore/express (port 3000)
└── frontend/   Vite + React + @authcore/react mode="api" (port 5173)
  • Frontend stores JWT in localStorage
  • API requests include Authorization: Bearer <token> header
  • CORS enabled on backend for http://localhost:5173

Setup ​

Backend ​

bash
cd examples/api-only/backend
cp .env.example .env
pnpm install
pnpm db:push
pnpm dev

Frontend ​

bash
cd examples/api-only/frontend
cp .env.example .env
pnpm install
pnpm dev

Key Code ​

Backend — backend/src/index.ts

ts
const auth = createAuth({
  db: prismaAdapter(prisma),
  session: { strategy: 'jwt', secret: process.env.AUTH_SECRET! },
})

app.use('/auth', auth.router())
app.get('/api/me', auth.middleware(), (req, res) => {
  res.json({ user: req.user })
})

Frontend — frontend/src/App.tsx

tsx
<AuthProvider baseUrl={`${API_URL}/auth`} mode="api">
  <AppContent />
</AuthProvider>