Promote serving Dockerfile to Space root

Dockerfile

@@ -0,0 +1,24 @@
+FROM python:3.11-slim
+
+ENV PYTHONPATH=/app
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+# Install server dependencies
+COPY server/requirements.txt /app/server/requirements.txt
+RUN pip install --no-cache-dir -r /app/server/requirements.txt
+
+# Copy the full project
+COPY . /app
+
+# Install the permanence package
+RUN pip install --no-cache-dir -e /app
+
+EXPOSE 7860
+
+HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
+    CMD python -c "import requests; requests.get('http://localhost:7860/health').raise_for_status()" || exit 1
+
+CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]