Move Dockerfile to root for Hugging Face deployment

Dockerfile

@@ -0,0 +1,23 @@
+# Use a lightweight Python image
+FROM python:3.10-slim
+
+# Set working directory
+WORKDIR /code
+
+# Copy requirements and install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy your FastAPI app and dinov2 module
+COPY app ./app
+COPY dinov2 ./dinov2
+
+# Set environment variable for module discovery
+ENV PYTHONPATH=/code
+
+# Expose the default Hugging Face Spaces port
+EXPOSE 7860
+
+# Run the FastAPI app
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]
+