Dockerfile

# Code Review Environment — Docker Image
#
# Build:  docker build -t code-review-env .
# Run:    docker run -p 7860:7860 code-review-env
# Test:   curl http://localhost:7860/health

FROM python:3.11-slim

# Create non-root user (HF Spaces requirement)
RUN useradd -m -u 1000 appuser

WORKDIR /app

# Install dependencies first (caching layer)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY --chown=appuser:appuser . .

# Switch to non-root user
USER appuser

# Expose port (HF Spaces uses 7860)
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:7860/health')" || exit 1

# Start server
CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]