Run Python application as non-root in Docker - Pipenv

Dockerfile

FROM python:3.7.2-alpine

RUN pip install --upgrade pip

RUN adduser -D worker
USER worker
WORKDIR /home/worker

RUN pip install --user pipenv

ENV PATH="/home/worker/.local/bin:${PATH}"

COPY --chown=worker:worker Pipfile Pipfile
RUN pipenv lock -r > requirements.txt
RUN pip install --user -r requirements.txt

COPY --chown=worker:worker . .

CMD ["python"]