Files
halobestie-clone/backend/CLAUDE.md
ramadhan sjamsani a7a2a32d27 Phase 1 scaffold: auth for all apps
- Backend: Fastify with two listeners (public + internal), routes, services, DB migration + seed
- client_app: Flutter with BLoC, all auth screens (welcome, display name, register, OTP, force-register)
- mitra_app: Flutter with BLoC, OTP-only login
- control_center: React + Vite, email/password login, mitra/user management, anonymity settings
- Docs: phase1 plan, API contract, client app mockup
- CLAUDE.md and shared memory for all subprojects

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-05 10:08:42 +08:00

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Markdown

# Halo Bestie — Backend
Fastify.js REST API serving both mobile apps and the internal control center.
> See root `CLAUDE.md` for full project context and architectural decisions.
## Stack
- **Runtime:** Node.js + Fastify.js
- **Database:** PostgreSQL via GCP Cloud SQL
- **Auth:** Firebase Auth JWT verification (no session, stateless)
- **Payment:** Xendit
- **Infra:** GCP Cloud Run
## Two Listeners
```
Public (0.0.0.0:3000) → client_app + mitra_app routes
Internal (private IP:3001) → control_center routes only
```
Internal listener must never be exposed to the public internet.
## Route Namespacing
```
/api/client/... → client app routes
/api/mitra/... → mitra app routes
/api/shared/... → shared routes (e.g. auth, lookup)
/internal/... → control center routes (internal listener only)
```
## Auth Flow
1. Firebase Auth issues JWT token on mobile/web
2. Client sends JWT in `Authorization: Bearer <token>` header
3. Fastify verifies token using Firebase Admin SDK on every request
4. User record fetched from PostgreSQL by Firebase UID
## Key Conventions
- All routes must be authenticated unless explicitly marked public
- Internal routes have an additional role check (`role: admin`)
- Use Fastify plugins for shared middleware (auth, error handling, logging)
- Business logic lives in `services/` — never directly in route handlers