Fitness tracking and analytics app.

About Momentum

I built Momentum to solve a personal problem: I wanted a clean, easy way to log workouts and visualize trends over time without paying another subscription provider.

Website

• momentum.tylerpac.dev

Features

• User authentication and account management
• Workout logging and history tracking
• Data analytics and progress visualization
• RESTful endpoints for data operations
• Hibernate ORM for database management
• Separate MySQL database instance for isolation
• Containerized deployment with Docker
• Automated build and deployment pipeline with Jenkins

Technology Stack

• Backend: Spring Boot (REST) + JPA
• Frontend: React + Vite
• Database: MySQL
• Build Tool: Maven
• Containerization: Docker, Docker Compose
• CI/CD: Jenkins

Architecture

Momentum is a containerized full-stack app with a React frontend, Spring Boot backend, and MySQL persistence layer.

System Architecture

flowchart LR
    U[User Browser]

    subgraph RT[Production on VPS]
        FE[Frontend Container\nNginx + React Static Build]
        BE[Backend Container\nSpring Boot API + JWT Security]
        DB[(MySQL Container\nSame VPS Docker Network)]
    end

    U -->|HTTPS via Traefik| FE
    FE -->|/api proxy| BE
    BE -->|JPA/Hibernate| DB

    subgraph DEV[Local Development]
        VITE[Vite Dev Server]
        API[Backend Dev Profile :8085]
        DEVDB[(Local MySQL in Docker :3307)]
    end

    U -. hot reload .-> VITE
    VITE -. /api proxy .-> API
    API -. JDBC .-> DEVDB

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Database Relationship Diagram

erDiagram
    direction LR

    USERS {
        int user_id PK
        string username UK
        string password
        string unit_system
    }

    WORKOUT {
        int workout_id PK
        int user_id FK
        string workout_type
        string workout_name
        date workout_date
        float distance
        float time
        float weight
        int sets
        int reps
        string notes
    }

    USERS ||--o{ WORKOUT : owns

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Contact

Let's Connect

For collaboration, engineering opportunities, or project discussions, use the contact page:

• Contact TylerPac Development