# Build stage
FROM python:3.11-slim AS builder

WORKDIR /app

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

# Copy project files
COPY pyproject.toml .
COPY src/ src/

# Install build tools and build wheel
RUN pip install --no-cache-dir build && \
    python -m build --wheel && \
    pip install --no-cache-dir --prefix=/install dist/*.whl

# Production stage
FROM python:3.11-slim

WORKDIR /app

# Create non-root user
RUN useradd -m -r appuser && \
    chown -R appuser:appuser /app

# Copy installed packages from builder
COPY --from=builder /install /usr/local

# Copy application source
COPY --chown=appuser:appuser src/ src/

USER appuser

EXPOSE 5000

CMD ["uvicorn", "src.main:app", "--host", "0.0.0.0", "--port", "5000"]