# Dockerfile for Policy Analysis Application
FROM python:3.9-slim

# Set working directory
WORKDIR /app

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

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy application code
COPY . .

# Create cache directory for models
RUN mkdir -p /root/.cache/huggingface

# Download models during build phase (this will cache them in the image)
RUN echo "🚀 Pre-downloading models during image build..." && \
    python download_models.py

# Set environment variable to skip model preloading in app since they're already cached
ENV PRELOAD_MODELS=false

# Expose port
EXPOSE 7860

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