# Brain AI Demo - Lightweight Hugging Face Deployment
# Built on August 07, 2025 - Python-based demo version

FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy demo requirements
COPY demo_requirements.txt ./requirements.txt

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy demo application
COPY demo_app.py ./app.py

# Copy README for reference
COPY README.md ./

# Create app user for security
RUN useradd -m -s /bin/bash appuser && \
    chown -R appuser:appuser /app

# Switch to app user
USER appuser

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV GRADIO_SERVER_NAME=0.0.0.0
ENV GRADIO_SERVER_PORT=7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
    CMD curl -f http://localhost:7860/ || exit 1

# Expose port 7860 (Hugging Face Spaces standard)
EXPOSE 7860

# Start the demo application
CMD ["python", "app.py"]