Full-Stack Cal AI Clone

✨ Highlights:

• 📱 Build and Launch a Real AI Calorie Tracker App
• 📸 Analyze Meals from Photos with OpenAI
• ⚛️ React Native and Expo for iOS and Android
• 🔐 Google and Apple Sign-In with Clerk
• 🗄️ PostgreSQL Database with Neon
• ⚡ Background AI Jobs and Automatic Retries with Trigger.dev
• 🔄 Real-Time Calorie and Macro Updates
• 🖼️ Image Storage and Optimization with ImageKit
• 🐞 Error Tracking and AI Code Reviews with Sentry
• 🎨 Generate App Designs, Mockups, and a Landing Page with AI
• 🌐 Create Privacy Policy, Terms, and Support Pages
• 🍎 Prepare and Publish the App to the App Store
• 🤖 Create AI Influencers for TikTok and Instagram Marketing
• ✅ Follow a Structured AI Workflow

---

🧪 .env Setup

Create a .env file in the root of the project and add the following variables:

EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY=
CLERK_SECRET_KEY=
CLERK_WEBHOOK_SIGNING_SECRET=
DATABASE_URL=
TRIGGER_SECRET_KEY=
OPENAI_API_KEY=
IMAGEKIT_PUBLIC_KEY=
IMAGEKIT_SECRET_KEY=
IMAGEKIT_URL_ENDPOINT=
SENTRY_AUTH_TOKEN=

---

🔧 Run the App

npm install
npx expo run:ios

or

npx expo run:android

📱 Features Overview

🔐 Authentication

Users must sign in before using the app.

Supported authentication options:

• Google Sign-In
• Apple Sign-In

Authentication is handled using Clerk, making the login flow production-ready and easy to extend later.

🌐 Web Pages

The project also includes App Store-ready web pages:

• Landing page
• Privacy policy
• Terms of service