# Shared image for the worker roles (refactor §1). Built from backend/.
FROM python:3.11-slim

WORKDIR /app

# Install deps first for layer caching.
COPY pyproject.toml ./
COPY app ./app
COPY workers ./workers
COPY migrations ./migrations
COPY alembic.ini ./alembic.ini
RUN pip install --no-cache-dir .

# Default to the combined role; docker-compose overrides WORKER_ROLE per service.
ENV WORKER_ROLE=all
CMD ["python", "-m", "workers.run"]