added docker file for HF

Dockerfile

@@ -0,0 +1,37 @@
+# Use an official Python runtime as a parent image
+FROM python:3.11-slim
+
+# Set environment variables
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PIP_NO_CACHE_DIR=1 \
+    GRADIO_ALLOW_FLAGGING=never \
+    HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    python3-dev \
+    cmake \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create a non-root user
+RUN useradd -m -u 1000 user
+USER user
+WORKDIR $HOME/app
+
+# Copy requirements and install
+COPY --chown=user requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application
+COPY --chown=user . .
+
+# Expose the port Streamlit runs on
+EXPOSE 7860
+
+# Command to run the application
+# Hugging Face Spaces expect the app to run on port 7860
+CMD ["streamlit", "run", "src/god_sim/app/streamlit_app.py", "--server.port", "7860", "--server.address", "0.0.0.0"]