# AI Orchestrator - Optimized Production Dockerfile
# Multi-stage build for minimal image size

FROM python:3.12-slim as builder

WORKDIR /build

# Install build dependencies
RUN pip install --no-cache-dir --upgrade pip wheel

# Copy and install Python dependencies
COPY requirements.txt .
RUN pip wheel --no-cache-dir --wheel-dir /wheels -r requirements.txt

# Production stage
FROM python:3.12-slim

WORKDIR /app

# Create non-root user for security
RUN useradd --create-home --shell /bin/bash appuser

# Install wheels from builder stage
COPY --from=builder /wheels /wheels
RUN pip install --no-cache-dir /wheels/* && rm -rf /wheels

# Copy application code
COPY server.py .

# Set ownership
RUN chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

# Environment variables (can be overridden)
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

# Expose port
EXPOSE 8080

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8080/api/health')" || exit 1

# Run the application
CMD ["python", "-m", "uvicorn", "server:app", "--host", "0.0.0.0", "--port", "8080"]