Fix: Add libGL for OpenCV

Dockerfile

@@ -1,17 +1,23 @@
-# Use a Python base image
+# Use official Python image
 FROM python:3.9
 
 # Set working directory
 WORKDIR /app
 
-# Copy all files
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    libgl1 \
+    libglib2.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy project files
 COPY . .
 
-# Install dependencies
+# Install Python dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Expose the port FastAPI will run on
+# Expose the app port
 EXPOSE 7860
 
-# Start the FastAPI app using uvicorn
+# Run the app
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]