# Use a lightweight Python base image
FROM python:3.9-slim

# Set working directory
WORKDIR /app

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

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

# Create a non-root user
RUN useradd -m -u 1000 user

# Copy application files
COPY app.py .
COPY chunks.txt .

# Switch to non-root user
USER user

# Set environment variable for Gemini API key (to be provided via Hugging Face Secrets)
ENV GEMINI_API_KEY=AIzaSyDteeiTCZIt9J-NntBUrdWLG3WuXGhules

# Run the Streamlit app
CMD ["streamlit", "run", "app.py", "--server.port", "7860", "--server.address", "0.0.0.0"]