Add root Dockerfile for Hugging Face Space

Dockerfile

@@ -0,0 +1,19 @@
+FROM python:3.11-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+COPY . .
+
+RUN apt-get update && apt-get install -y --no-install-recommends git \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN python -m pip install --upgrade pip \
+    && python -m pip install --no-cache-dir -r requirements.txt \
+    && python -m pip install --no-cache-dir .
+
+EXPOSE 7860
+
+CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "7860"]