Gym LogBook

A React + TypeScript + Supabase application for tracking gym exercises and workout progress. Use it on your phone while at the gym!

Features

• 🏋️ Track exercises with sets, reps, and weight
• 📅 View workouts organized by week
• 🎯 Set and track exercise goals
• 📋 Create reusable workout templates
• 🔄 Copy last week’s weights for easy progressive overload
• ☁️ Cloud data storage with Supabase
• 🔐 Secure user authentication
• 🎨 Multiple color themes (Blue, Red, Slate)
• 📱 Mobile-friendly responsive design
• 💾 PWA support - install on your phone!

Tech Stack

• React 19 - UI library
• TypeScript - Type safety
• Vite - Build tool & dev server
• Tailwind CSS - Styling
• Supabase - Backend & database (PostgreSQL)
• Vercel - Hosting platform
• date-fns - Date utilities

Quick Start

1. Install Dependencies

npm install

2. Set Up Supabase

See DEPLOYMENT.md for full setup instructions.

Quick version:

1. Create account at supabase.com
2. Create new project
3. Run supabase/schema.sql in SQL Editor
4. Copy your project URL and anon key

3. Configure Environment

cp .env.example .env

Edit .env and add your Supabase credentials:

VITE_SUPABASE_URL=https://your-project.supabase.co
VITE_SUPABASE_ANON_KEY=your-anon-key

4. Run Development Server

npm run dev

Visit http://localhost:5173

Deployment

See DEPLOYMENT.md for complete deployment guide to Vercel.

TLDR:

1. Push to GitHub
2. Import to Vercel
3. Add environment variables
4. Deploy!

Your app will be accessible on your phone at your Vercel URL.

Database Structure

exercises
├── id (uuid)
├── user_id (references auth.users)
├── name (text)
└── created_at (timestamp)

workouts
├── id (uuid)
├── user_id (references auth.users)
├── date (date)
├── title (text, optional)
├── notes (text, optional)
└── created_at (timestamp)

workout_exercises
├── id (uuid)
├── workout_id (references workouts)
├── exercise_id (references exercises)
├── notes (text, optional)
└── order_index (integer)

sets
├── id (uuid)
├── workout_exercise_id (references workout_exercises)
├── reps (integer)
├── weight (numeric)
└── order_index (integer)

exercise_goals
├── id (uuid)
├── user_id (references auth.users)
├── exercise_id (references exercises)
├── target_reps (integer, optional)
├── target_weight (numeric, optional)
└── created_at (timestamp)

workout_templates
├── id (uuid)
├── user_id (references auth.users)
├── name (text)
├── description (text, optional)
└── created_at (timestamp)

Security

• Row Level Security (RLS) enabled on all tables
• Users can only access their own data
• Secure authentication with Supabase Auth
• API keys stored in environment variables (never in code)

Roadmap

Future improvements:

• 📊 Progress charts and statistics
• 🏆 Personal Records (PRs) tracking
• 📤 Export workout history
• 🔔 Workout reminders

Contributing

Feel free to fork and customize for your own use! This project is open source and contributions are welcome.

License

MIT