add dockerfile

Dockerfile

@@ -0,0 +1,47 @@
+FROM python:3.13-slim
+
+# Set environment variables
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV GRADIO_SERVER_NAME=0.0.0.0
+ENV GRADIO_SERVER_PORT=7860
+
+# System dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    clang \
+    llvm-dev \
+    build-essential \
+    curl \
+    git \
+    pkg-config \
+    wget \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create a non-root user for HuggingFace Spaces
+RUN useradd -m -u 1000 user
+WORKDIR /app
+
+# Copy requirements first for better caching
+COPY requirements.txt /app/requirements.txt
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r /app/requirements.txt && \
+    pip install --no-cache-dir libclang
+
+# Copy application code (excluding large data files)
+COPY --chown=user:user . /app
+
+# Set ownership
+RUN chown -R user:user /app
+
+# Switch to non-root user
+USER user
+
+# Expose the Gradio port
+EXPOSE 7860
+
+# Default command - can be overridden to use --hf-dataset instead of --graph-file
+# To use HuggingFace dataset: --hf-dataset "username/dataset-name"
+# To use local file: --graph-file "/app/data/multihop_knowledge_graph_with_embeddings.json"
+CMD ["python", "-u", "smolagent_chat.py"]