pantri – MVP

pantri is a meal-generation app that helps university students reduce food waste by suggesting meal ideas based on ingredients they already have in their fridge or pantry.

This repository contains:

• mobile: Expo + React Native + TypeScript client
• server: Node.js + Express + TypeScript backend with PostgreSQL + Prisma

Core MVP features

• Add ingredients currently in the pantry (optionally with expiration date)
• View the list of ingredients
• Generate meal ideas from available ingredients
• Mark ingredients as used or remove them

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Tech stack

• Mobile: Expo, React Native, TypeScript, React Navigation
• Backend: Node.js, Express, TypeScript, Prisma, PostgreSQL

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Getting started

Prerequisites

• Node.js (LTS recommended)
• npm, pnpm, or yarn
• PostgreSQL instance
• Expo CLI (optional but recommended)

Backend (server)

1. cd server
2. Install dependencies: npm install
3. Copy .env.example to .env and set DATABASE_URL for PostgreSQL
4. Run migrations and generate Prisma client:
   • npx prisma migrate dev
5. Start the dev server:
   • npm run dev

The API will run on http://localhost:4000 by default.

Mobile app (mobile)

1. cd mobile
2. Install dependencies: npm install
3. Start the Expo dev server:
   • npm start

Update the API base URL in src/services/api.ts if your backend is not running on http://localhost:4000.

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High-level architecture

• Mobile app

  • navigation: React Navigation setup and route types
  • screens: Feature screens (Pantry, AddIngredient, MealIdeas)
  • components: Reusable UI components
  • services: API client for talking to the backend
  • hooks: Feature-specific hooks for state and data fetching
  • theme: Colors, spacing, and typography tokens

• Backend

  • src/index.ts: Express app entrypoint
  • src/routes: Feature-oriented route modules (pantry, mealIdeas)
  • src/prisma.ts: Prisma client singleton
  • prisma/schema.prisma: Database schema definition