# Build stage
FROM python:3.11-slim as builder

WORKDIR /build

# Install build dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY pyproject.toml .
RUN pip install --no-cache-dir --user -e ".[dev]"

# Production stage
FROM python:3.11-slim

# Create non-root user
RUN groupadd -r appgroup && useradd -r -g appgroup appuser

WORKDIR /app

# Install runtime dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    libpq5 \
    git \
    netcat-openbsd \
    && rm -rf /var/lib/apt/lists/*

# Copy dependencies from builder
COPY --from=builder /root/.local /home/appuser/.local
ENV PATH=/home/appuser/.local/bin:$PATH

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

# Create directories for repo and instance storage
RUN mkdir -p /data/repos /data/instances && chown -R appuser:appgroup /data

# Copy wait-for-db script
COPY wait-for-db.sh /usr/local/bin/wait-for-db.sh
RUN chmod +x /usr/local/bin/wait-for-db.sh

# Switch to non-root user
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

# Run the application (with database wait)
ENTRYPOINT ["/usr/local/bin/wait-for-db.sh"]
CMD ["uvicorn", "src.main:app", "--host", "0.0.0.0", "--port", "8000"]