# eamco_address_checker - PRODUCTION Dockerfile
# Used by docker-compose.prod.yml
# Features: Optimized for production, non-root user, health checks

FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONPATH=/app \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

# Set working directory
WORKDIR /app

# Install system dependencies (psycopg2 requirements)
RUN apt-get update && apt-get install -y --no-install-recommends \
    libpq-dev \
    gcc \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Copy requirements first (for better layer caching)
COPY requirements.txt .

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

# Copy environment file for production
COPY .env.prod .env

# Copy application code
COPY app/ ./app/

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

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1

# Production: Run without reload, with workers
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "2"]