Update dockerfile

dockerfile

@@ -1,20 +1,8 @@
 FROM python:3.10-slim
-
-# System libs for OpenCV/ONNX
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    ffmpeg libsm6 libxext6 libglib2.0-0 libgl1 && \
-    rm -rf /var/lib/apt/lists/*
-
 WORKDIR /app
-COPY requirements.txt .
+COPY requirements.txt ./
 RUN pip install --no-cache-dir -r requirements.txt
-
-# Copy app + models
-COPY . .
-
-# Hugging Face Spaces expect you to bind to $PORT
-ENV PORT=7860
+COPY models ./models           
+COPY app.py ./
 EXPOSE 7860
-
-# Run Flask via gunicorn
-CMD ["gunicorn", "-w", "1", "-k", "gthread", "--threads", "8", "-b", "0.0.0.0:7860", "app:app"]
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]