Dockerfile

# Build stage
FROM python:3.9-slim as builder

WORKDIR /app

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

# Copy and install requirements
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt \
    && find /usr/local -type d -name '*__pycache__*' -exec rm -r {} +

# Final stage
FROM python:3.9-slim

WORKDIR /app

# Copy only necessary Python packages from builder
COPY --from=builder /usr/local/lib/python3.9/site-packages/ /usr/local/lib/python3.9/site-packages/
COPY --from=builder /usr/local/bin/ /usr/local/bin/

# Install only runtime dependencies
RUN apt-get update && apt-get install -y \
    libgomp1 \
    && rm -rf /var/lib/apt/lists/* \
    && mkdir -p /app/data /app/chroma \
    && chmod -R 777 /app/data /app/chroma

# Copy application code and data
COPY data ./data/
COPY . .

# Create startup script
RUN echo '#!/bin/bash\n\
set -e\n\
echo "Starting database population..."\n\
python populate_database.py --reset\n\
echo "Database population complete. Starting web server..."\n\
gunicorn app.main:app --workers 1 --worker-class uvicorn.workers.UvicornWorker --timeout 600 --bind 0.0.0.0:8000 --log-level debug --preload\n'\
> /app/startup.sh \
&& chmod +x /app/startup.sh

EXPOSE 8000

ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

CMD ["/app/startup.sh"]