FROM python:3.11-slim

RUN apt-get update && apt-get install -y \
    colmap \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxrender1 \
    libxext6 \
    libgomp1 \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

COPY backend/ ./backend/

RUN mkdir -p uploads outputs

ENV PYTHONPATH=/app

EXPOSE 8000

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