feat: move torch and transformers to local group (#1172)

Dockerfile.external

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+FROM python:3.11.6-slim-bookworm as base
+
+# Install poetry
+RUN pip install pipx
+RUN python3 -m pipx ensurepath
+RUN pipx install poetry
+ENV PATH="/root/.local/bin:$PATH"
+
+# https://python-poetry.org/docs/configuration/#virtualenvsin-project
+ENV POETRY_VIRTUALENVS_IN_PROJECT=true
+
+FROM base as dependencies
+WORKDIR /home/worker/app
+COPY pyproject.toml poetry.lock ./
+
+RUN poetry install --with ui
+
+FROM base as app
+
+ENV PYTHONUNBUFFERED=1
+ENV PORT=8080
+EXPOSE 8080
+
+# Prepare a non-root user
+RUN adduser --system worker
+WORKDIR /home/worker/app
+
+RUN mkdir local_data; chown worker local_data
+RUN mkdir models; chown worker models
+COPY --chown=worker --from=dependencies /home/worker/app/.venv/ .venv
+COPY --chown=worker private_gpt/ private_gpt
+COPY --chown=worker docs/ docs
+COPY --chown=worker *.yaml *.md ./
+
+USER worker
+ENTRYPOINT .venv/bin/python -m private_gpt