# Dockerfile
FROM python:3.11-slim

WORKDIR /app

# Install system dependencies for build (if needed for some packages)
RUN apt-get update && apt-get install -y \
    gcc \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements
COPY requirements.txt .

# Install dependencies + Production extras
RUN pip install --no-cache-dir -r requirements.txt && \
    pip install --no-cache-dir psycopg2-binary gunicorn redis

# Copy application code
COPY . .

# Create entrypoint script
RUN echo '#!/bin/bash\n\
# Wait for DB to be ready (simple sleep or use wait-for-it)\n\
sleep 5\n\
\n\
# Run migrations (assuming migrate_db.py or similar exists, or albuvicorn startup handles it)\n\
# python migrate_db.py\n\
\n\
# Start Gunicorn\n\
exec gunicorn main:app -w 4 -k uvicorn.workers.UvicornWorker -b 0.0.0.0:8000\n\
' > /app/entrypoint.sh && chmod +x /app/entrypoint.sh

CMD ["/app/entrypoint.sh"]