# ── Build stage ───────────────────────────────────────────────
FROM python:3.11-slim AS builder

WORKDIR /build

COPY requirements.txt .
RUN pip install --no-cache-dir --prefix=/install -r requirements.txt


# ── Runtime stage ─────────────────────────────────────────────
FROM python:3.11-slim

# HF Spaces runs as a non-root user; create one to match
RUN useradd -m -u 1000 appuser

WORKDIR /app

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

# Copy source code
COPY environment/ ./environment/
COPY app.py .

# Make inference.py available at root (required by spec)
COPY inference.py .

# HF Spaces exposes port 7860
EXPOSE 7860

USER appuser

ENV PORT=7860
ENV PYTHONUNBUFFERED=1

CMD ["python", "app.py"]