update dockerfile

Dockerfile

@@ -1,31 +1,25 @@
-# HF Spaces compatible base image
 FROM python:3.9-slim
 
-# Prevent Python from writing .pyc files
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
 
-# Set working directory
 WORKDIR /app
 
-# System dependencies (safe defaults)
+# Install system dependencies REQUIRED for OpenCV / Ultralytics
 RUN apt-get update && apt-get install -y \
+    libgl1 \
+    libglib2.0-0 \
     git \
     curl \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy requirements first (better Docker caching)
 COPY requirements.txt .
 
-# Upgrade pip and install dependencies
 RUN pip install --upgrade pip \
     && pip install --no-cache-dir -r requirements.txt
 
-# Copy the rest of the application
 COPY . .
 
-# Hugging Face Spaces uses port 7860
 EXPOSE 7860
 
-# Start the app
 CMD ["python", "app.py"]