# =============================================================
# Backend Dockerfile — FastAPI + uv
# =============================================================
FROM python:3.11-slim

# System deps:
#   libmagic1      — required by python-magic (Unstructured)
#   poppler-utils  — required by pdf2image / PyMuPDF fallback
#   libgl1         — required by some sentence-transformers wheels
RUN apt-get update && apt-get install -y --no-install-recommends \
    libmagic1 \
    poppler-utils \
    libgl1 \
    && rm -rf /var/lib/apt/lists/*

# Install uv (fast Python package manager)
RUN pip install uv

WORKDIR /app

# Copy dependency manifest first to leverage layer caching
COPY pyproject.toml ./

# Install all non-dev dependencies
RUN uv sync --no-dev --no-cache

# Copy application source
COPY backend ./backend

EXPOSE 8000

CMD ["uv", "run", "uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8000"]