VerifyPack

Full-stack QR code generation & product verification SaaS.

Frontend: Next.js 14 (App Router) + Tailwind CSS + shadcn-style UI
Backend: FastAPI (Python) + MongoDB (Beanie/Motor async ODM)
Auth: JWT (email + Google OAuth), NextAuth on the frontend
Payments: Razorpay (18% GST) — env-driven
Storage/Email: AWS S3 / SES — env-driven, with mock fallbacks for local dev

Database note: project originally specced PostgreSQL + Prisma; switched to MongoDB on EC2 for faster single-read consumer verification and to avoid a second datastore on the box.

Repo layout

verify pack/
├── backend/         FastAPI + MongoDB
│   ├── app/
│   │   ├── main.py
│   │   ├── core/        config, security, deps
│   │   ├── db/          mongo connection, seed
│   │   ├── models/      Beanie documents
│   │   ├── schemas/     Pydantic request/response
│   │   ├── services/    email, storage, qr (mockable)
│   │   └── routers/     auth, brands, products, batches, qr, verify, ...
│   ├── requirements.txt
│   └── .env.example
└── frontend/        Next.js 14
    ├── app/             App Router pages
    ├── components/      UI + dashboard widgets
    ├── lib/             api client, utils
    └── .env.local.example

Quick start (local dev)

Backend

cd backend
python3 -m venv .venv && source .venv/bin/activate
pip install -r requirements.txt
cp .env.example .env          # MONGODB_URL defaults to local mongo

# Fastest way to try it with zero external services (in-memory Mongo, console email):
export MOCK_DB=1 MOCK_EMAIL=1 MOCK_STORAGE=1

# Smoke test (optional): app imports + Beanie init
python -c "import asyncio; from app.main import app; from app.db.mongo import init_db; \
print('routes', len(app.routes)); asyncio.run(init_db()); print('beanie OK')"

python -m app.db.seed         # creates demo org, brand, product, batch, QR
uvicorn app.main:app --reload --port 8000

API docs at http://localhost:8000/docs · health at /health

Note: with MOCK_DB=1 the in-memory store resets each run, so run seed and uvicorn in the same process is not possible — for a persistent demo, point MONGODB_URL at a real Mongo (e.g. your EC2 instance) and seed once.

Demo logins after seeding (against a real Mongo):

Client admin: owner@abcpharma.example / Owner@123
Super admin: admin@verifypack.example / Admin@123

Frontend

cd frontend
npm install
cp .env.local.example .env.local
npm run dev

App at http://localhost:3000 — dashboard at /dashboard, public verify at /v/<qr_code>.

Service config

Razorpay / Google OAuth / AWS credentials are env-only (see .env.example). The Product Admin settings page shows configured/not-configured status only. With mock flags on, the app runs fully offline: MOCK_DB=1 MOCK_EMAIL=1 MOCK_STORAGE=1.

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