Dockerfile

FROM python:3.11-slim

WORKDIR /app

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

# Copy requirements first (for better Docker layer caching)
COPY requirements.txt ./

# Install Python dependencies
RUN pip3 install --no-cache-dir -r requirements.txt

# Copy all application files (excluding .dockerignore patterns)
COPY . .

# Expose Streamlit port (HF Spaces maps to 7860 automatically)
EXPOSE 8501

# Health check for Streamlit
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl --fail http://localhost:8501/_stcore/health || exit 1

# Run Streamlit app
ENTRYPOINT ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0", "--server.headless", "true"]