# Use Python 3.9 slim image
FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Install system dependencies for cairosvg
RUN apt-get update && apt-get install -y \
    build-essential \
    python3-dev \
    python3-pip \
    python3-setuptools \
    libcairo2-dev \
    pkg-config \
    libcairo2 \
    libcairo-gobject2 \
    python3-cairo \
    libpango1.0-dev \
    shared-mime-info \
    mime-support \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

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

# Download spaCy language model
RUN python -m spacy download en_core_web_md

# Copy application files
COPY app.py .
COPY utils.py .

# Create and configure streamlit directory
RUN mkdir -p /root/.streamlit
RUN echo "\
[server]\n\
enableCORS = false\n\
enableXsrfProtection = false\n\
" > /root/.streamlit/config.toml

# Expose port for Streamlit
EXPOSE 8501

# Set entry command
ENTRYPOINT ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]