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

# System deps for PyMuPDF
RUN apt-get update && apt-get install -y --no-install-recommends \
    libmupdf-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

# Copy package
COPY book_ingestor/ ./book_ingestor/

# ── Runtime ─────────────────────────────────────────────────────────────────────
# books/ is mounted at runtime — not baked in
RUN mkdir -p books/inbox books/processing books/done books/manifests

# Non-root user for safety
RUN useradd -m -u 1000 ingestor && chown -R ingestor:ingestor /app
USER ingestor

ENV PYTHONUNBUFFERED=1

CMD ["python", "-m", "book_ingestor.watchdog_runner"]