# 🐳 Self-Hosting with Docker (CasaOS)

You can easily host this Calorie Tracker on your home server using Docker or CasaOS.

## 🛠️ Quick Setup for CasaOS

1.  **Download the files**:
    *   Download `docker-compose.yml`
    *   Download the `calorie_tracker_app` folder

2.  **Import to CasaOS**:
    *   Open CasaOS Dashboard
    *   Click **+** (Install a customized app)
    *   Click **Import** (top right)
    *   Select the `docker-compose.yml` file
    *   (Optional) Setup the `API_NINJAS_KEY` in the Settings

3.  **Install**:
    *   Click **Install**
    *   The app will start at `http://your-server-ip:5001`

## 🐳 Manual Docker Compose

1.  Navigate to the project directory:
    ```bash
    cd calorie_tracker
    ```

2.  Run with Docker Compose:
    ```bash
    docker-compose up -d --build
    ```

3.  Access the app:
    *   Open `http://localhost:5001`

## 💾 Data Persistence

*   Database is stored in `./data/calorie_tracker.db` on your host machine.
*   This ensures your data survives container restarts/updates.

## ⚙️ Environment Variables

You can configure these in `docker-compose.yml` or CasaOS settings:

| Variable | Description | Default |
| :--- | :--- | :--- |
| `API_NINJAS_KEY` | Key for nutrition API | (Empty) |
| `SECRET_KEY` | Flask secret key | `change-this...` |
| `DATABASE_URL` | Database path | `sqlite:////app/data/calorie_tracker.db` |