ARG PYTHON_VERSION="3.6" FROM python:${PYTHON_VERSION} COPY requirements.txt / RUN pip install --no-cache-dir -r /requirements.txt COPY . /doccano WORKDIR /doccano ENV DEBUG="True" ENV SECRET_KEY="change-me-in-production" CMD ["gunicorn", "--bind=0.0.0.0:80", "--workers=2", "--pythonpath=app", "app.wsgi"]