# ── Build stage ────────────────────────────────────────────────────────────────
FROM python:3.13-slim AS builder

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir --user -r requirements.txt

# ── Runtime stage ──────────────────────────────────────────────────────────────
FROM python:3.13-slim

WORKDIR /app

COPY --from=builder /root/.local /root/.local

COPY . .

RUN useradd --no-create-home --shell /bin/false appuser \
    && chown -R appuser:appuser /app

USER appuser

EXPOSE 8000

ENV PATH=/root/.local/bin:$PATH

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "2"]
