Add Docker runtime for HF Spaces

Dockerfile

@@ -0,0 +1,27 @@
+# VectorVoid Grid Wars — Hugging Face Spaces (Docker)
+FROM python:3.12-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends curl \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app.py .
+COPY static ./static
+
+RUN mkdir -p /data
+
+ENV PORT=7860 \
+    DB_PATH=/data/neuraxon.db \
+    PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1
+
+EXPOSE 7860
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=40s --retries=3 \
+  CMD curl -fsS "http://127.0.0.1:${PORT:-7860}/api/health" || exit 1
+
+CMD ["sh", "-c", "mkdir -p /data && uvicorn app:app --host 0.0.0.0 --port ${PORT:-7860} --proxy-headers --forwarded-allow-ips='*'"]