fix: update Dockerfile to use port 7860 and app.py entry point for HF Spaces

Dockerfile

@@ -5,6 +5,7 @@ WORKDIR /app
 # Install system dependencies
 RUN apt-get update && apt-get install -y \
     gcc \
+    curl \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy requirements
@@ -15,9 +16,17 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy application
 COPY app/ ./app/
+COPY app.py .
 
-# Expose port
-EXPOSE 8000
+# Create necessary directories
+RUN mkdir -p /app/data
+
+# Expose Hugging Face Spaces port
+EXPOSE 7860
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+    CMD curl -f http://localhost:7860/health || exit 1
 
 # Run application
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["python", "app.py"]