💪 Workout Tracker

A fullstack workout tracking app where users can log training sessions, add exercises with sets, reps and weight, and review their history — all behind a secure authenticated dashboard.

🔗 Live demo: workout-tracker.vercel.app

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Features

• Secure authentication with Clerk (sign up, sign in, protected routes)
• Create and delete workout sessions
• Add and remove exercises with sets, reps and weight per session
• Dashboard with total workout and exercise stats
• Full workout history with per-session detail view
• Server-side rendering via Next.js App Router
• Responsive layout, works on mobile and desktop

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Tech stack

Layer	Technology
Framework	Next.js 16 (App Router)
Language	TypeScript
Auth	Clerk
ORM	Prisma 7
Database	PostgreSQL (Supabase)
Styling	Tailwind CSS
Components	shadcn/ui
Deployment	Vercel

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Getting started

git clone https://github.com/Majkan1/workout-tracker.git
cd workout-tracker
npm install

Create a .env file in the root:

DATABASE_URL="your-supabase-connection-string"
NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY="your-clerk-publishable-key"
CLERK_SECRET_KEY="your-clerk-secret-key"

Run database migrations:

npx prisma migrate dev

Start the dev server:

npm run dev

Open http://localhost:3000

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Project structure

├── app/
│   ├── actions/          # Server Actions (createWorkout, deleteWorkout, exercise)
│   ├── auth/             # Sign-in and sign-up pages (Clerk)
│   ├── dashboard/        # Protected dashboard and workout pages
│   │   ├── _components/  # WelcomeHeader, StatsGrid, RecentWorkouts
│   │   └── workouts/     # Workout list, detail [id], new workout form
│   ├── about/            # About page
│   └── types/            # Shared TypeScript types
├── components/
│   ├── shared/           # Navbar, Footer, AppShell
│   └── workout/          # WorkoutForm, ExerciseForm, WorkoutCard, WorkoutList
|   |__ ui/               # shadcn/ui components
├── lib/
│   └── prisma.ts         # Prisma client singleton
└── prisma/
    ├── schema.prisma     # Database schema
    └── migrations/       # Migration history

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Database schema

Workout
  id        String   (cuid)
  name      String
  createdAt DateTime
  userId    String   (Clerk user id)
  exercises Exercise[]
 
Exercise
  id        String   (cuid)
  name      String
  sets      Int
  reps      Int
  weight    Float?
  workoutId String   → Workout

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Author

Built by Mikołaj Michalak