Payment Checkout - Monorepo

This repository contains a Backend API (NestJS) and a Mobile App (React Native + Expo) implementing a 7-step credit card checkout integrating with Wompi Sandbox.

Clone

git clone https://github.com/CarlosAlbertoR/PaymentCheckout
cd PaymentCheckout

Structure

.
├── backend/   # NestJS + TypeORM + Jest
└── mobile/    # React Native (Expo) + Redux Toolkit + Jest

Prerequisites

• Node.js LTS (18/20)
• Docker (optional but recommended for backend)
• Android Studio / Xcode for running the mobile app

Backend (NestJS)

See backend/README.md for full details.

Quick start with Docker Compose (from repo root):

cp backend/env.sample backend/.env
docker compose up -d
# Run DB migrations
docker compose exec backend npm run migration:run

API available at http://localhost:3000.

Mobile (Expo)

See mobile/README.md for full details.

Quick start:

cd mobile
npm install
# Optional: set an API URL reachable by device/emulator
# echo EXPO_PUBLIC_API_URL=http://YOUR_LOCAL_IP:3000 > .env
npm run start

Testing

• Backend (inside backend/):

npm test
npm run test:cov

• Mobile (inside mobile/):

npm test
npm run test:cov

Environment Variables

• Backend: copy backend/env.sample to .env and adjust DB + Wompi Sandbox keys.
• Mobile: set EXPO_PUBLIC_API_URL (public) to point to backend from your device/emulator.

License

MIT