🕒 Habit Tracker API

A simple RESTful API for tracking user habits, logging daily completions, and maintaining streaks (consecutive days completed).
Built with Node.js, Express, and MongoDB.

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🚀 Features

• User registration & login (JWT authentication)
• Create, read, update, delete habits
• Mark habits as done for the day
• Track last 7 days of activity
• Calculate current streaks
• Optional bonus:
  • Tag-based filtering
  • Reminder times
  • Pagination
  • Rate limiting per user

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⚙️ Setup Instructions

1️⃣ Clone the repository

git clone https://github.com/your-username/habit-tracker.git
cd habit-tracker

### 2️⃣ Install dependencies

```bash
npm install

### 3️⃣ Set up environment variables

## Create a .env file in the root directory:

```bash
PORT=5000
MONGODB_URI=mongodb://localhost:27017/habit-tracker
JWT_SECRET=your_jwt_secret_key

### 4️⃣ Start the server

```bash
npm start