creaded correct docker image creation file

README.md

@@ -8,11 +8,12 @@ Digital Signage Management System - A modern Flask-based application for managin
 - 🎬 **Playlist System** - Create and manage content playlists with drag-and-drop reordering
 - 📁 **Media Library** - Upload and organize images, videos, PDFs, and presentations
 - 📄 **PDF to Image Conversion** - Automatic conversion of PDF pages to Full HD images (300 DPI)
-- 📊 **PowerPoint Support** - Convert PPTX slides to images automatically
+- 📊 **PowerPoint Support** - Convert PPTX slides to images automatically (optional LibreOffice install)
 - 🖼️ **Live Preview** - Real-time content preview for each player
 - ⚡ **Real-time Updates** - Players automatically sync with playlist changes
 - 🌓 **Dark Mode** - Full dark mode support across all interfaces
 - 🗑️ **Media Management** - Clean up unused media files with leftover media manager
+- 🔧 **Optional Dependencies** - Install LibreOffice on-demand to reduce base image size by 56%
 - 🔒 **User Authentication** - Secure admin access with role-based permissions
 
 ## Quick Start
@@ -35,16 +36,20 @@ See [DOCKER.md](DOCKER.md) for detailed Docker documentation.
 #### Prerequisites
 
 - Python 3.13+
-- LibreOffice (for PPTX conversion)
-- Poppler Utils (for PDF conversion)
-- FFmpeg (for video processing)
+- Poppler Utils (for PDF conversion) - **Required**
+- FFmpeg (for video processing) - **Required**
+- LibreOffice (for PPTX conversion) - **Optional** (can be installed via Admin Panel)
 
 #### Installation
 
 ```bash
-# Install system dependencies (Debian/Ubuntu)
+# Install required system dependencies (Debian/Ubuntu)
 sudo apt-get update
-sudo apt-get install -y poppler-utils libreoffice ffmpeg libmagic1
+sudo apt-get install -y poppler-utils ffmpeg libmagic1
+
+# Optional: Install LibreOffice for PowerPoint conversion
+# OR install later via Admin Panel → System Dependencies
+sudo apt-get install -y libreoffice
 
 # Create virtual environment
 python3 -m venv venv
@@ -199,11 +204,20 @@ sudo apt-get install poppler-utils
 ```
 
 ### PPTX Conversion Fails
-Install LibreOffice:
+**Method 1: Via Web UI (Recommended)**
+1. Go to Admin Panel → System Dependencies
+2. Click "Install LibreOffice"
+3. Wait 2-5 minutes for installation
+
+**Method 2: Manual Install**
 ```bash
 sudo apt-get install libreoffice
+# OR use the provided script
+sudo ./install_libreoffice.sh
 ```
 
+See [OPTIONAL_DEPENDENCIES.md](OPTIONAL_DEPENDENCIES.md) for details.
+
 ### Upload Fails
 Check folder permissions:
 ```bash
@@ -248,21 +262,35 @@ flask db upgrade
 
 This project is proprietary software. All rights reserved.
 
+## Documentation
+
+- [DOCKER.md](DOCKER.md) - Docker deployment guide
+- [OPTIONAL_DEPENDENCIES.md](OPTIONAL_DEPENDENCIES.md) - Optional dependency installation
+- [PROGRESS.md](PROGRESS.md) - Development progress tracker
+- [KIVY_PLAYER_COMPATIBILITY.md](KIVY_PLAYER_COMPATIBILITY.md) - Player integration guide
+
 ## Support
 
 For issues and questions:
 - Check [DOCKER.md](DOCKER.md) for deployment help
+- Review [OPTIONAL_DEPENDENCIES.md](OPTIONAL_DEPENDENCIES.md) for LibreOffice setup
 - Review troubleshooting section
 - Check application logs
 
 ## Version History
 
+- **v2.1** - Optional LibreOffice installation
+  - Reduced base Docker image by 56% (~900MB → ~400MB)
+  - On-demand LibreOffice installation via Admin Panel
+  - System Dependencies management page
+  - Enhanced error messages for PPTX without LibreOffice
+  
 - **v2.0** - Complete rewrite with playlist-centric architecture
-- PDF to image conversion (300 DPI)
-- PPTX slide conversion
-- Leftover media management
-- Enhanced dark mode
-- Duration editing for all content types
+  - PDF to image conversion (300 DPI)
+  - PPTX slide conversion
+  - Leftover media management
+  - Enhanced dark mode
+  - Duration editing for all content types
 
 ---