backend/Dockerfile

FROM python:3.11-slim

WORKDIR /app

# System deps
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 libglib2.0-0 libsm6 libxext6 libxrender-dev \
    && rm -rf /var/lib/apt/lists/*

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

# Application code
COPY core/ ./core/
COPY backend/ ./backend/
COPY data/ ./data/

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