FROM python:3.11-slim-bullseye

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

# Set working directory
WORKDIR /rideaware_landing

# 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 . .

# Set environment variables
ENV FLASK_APP=server.py
ENV PYTHONUNBUFFERED=1
ENV PYTHONPATH=/rideaware_landing

# Create non-root user for security
RUN useradd --create-home --shell /bin/bash app && \
    chown -R app:app /rideaware_landing
USER app

# Expose port
EXPOSE 5000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:5000/health || exit 1

# Run with optimized Gunicorn settings
CMD ["gunicorn", \
     "--bind", "0.0.0.0:5000", \
     "--workers", "4", \
     "--worker-class", "sync", \
     "--worker-connections", "1000", \
     "--max-requests", "1000", \
     "--max-requests-jitter", "50", \
     "--preload", \
     "--timeout", "30", \
     "--keep-alive", "2", \
     "--access-logfile", "-", \
     "--error-logfile", "-", \
     "--log-level", "info", \
     "server:app"]