Revert "Port Python app to Node.js"

README.md

@@ -22,14 +22,21 @@ A modern web application for calculating the maximum allowed storage usage in a
    cd ceph-calculator
    ```
 
-2. Install Node.js dependencies:
+2. Set up Python environment:
    ```
-   npm install
+   python -m venv venv
+   venv\Scripts\activate  # Windows
+   source venv/bin/activate  # Linux/Mac
    ```
 
-3. Start application:
+3. Install dependencies:
    ```
-   npm start
+   pip install -r requirements.txt
+   ```
+
+4. Start application:
+   ```
+   python run.py
    ```
 
 5. Open in a browser: `http://localhost:5000`
@@ -47,13 +54,13 @@ A modern web application for calculating the maximum allowed storage usage in a
 
 ## Technology
 
-- Backend: Node.js with Express
-- Frontend:
+- Backend: Flask
+- Frontend: 
   - Alpine.js for reactive user interface
   - Tailwind CSS for modern design
   - HTMX for interactive elements
 - Dark/Light Mode with Tailwind CSS
-- PDF generation with pdfkit
+- PDF generation with ReportLab
 - Responsive design for all devices
 
 ## Detailed Features