# Use Python 3.11 slim image
FROM python:3.11-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV FLASK_ENV=production
ENV FLASK_SECRET=production-secret-change-me

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    default-libmysqlclient-dev \
    pkg-config \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Create app directory
WORKDIR /app

# 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 necessary directories
RUN mkdir -p cache logs

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/ || exit 1

# Copy entrypoint script
COPY docker-entrypoint.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/docker-entrypoint.sh

# Set entrypoint
ENTRYPOINT ["docker-entrypoint.sh"]

# Run gunicorn
CMD ["gunicorn", "--config", "gunicorn.conf.py", "web.app:app"]