use poetry in dockerfile

poetry: not found

Traceback (most recent call last):
SERVER_ENV : local
  File "/modu_property/manage.py", line 16, in main
    from django.core.management import execute_from_command_line
ModuleNotFoundError: No module named 'django'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/modu_property/manage.py", line 27, in <module>
    main()
  File "/modu_property/manage.py", line 18, in main
    raise ImportError(
ImportError: Couldn't import Django. Are you sure it's installed and available on your PYTHONPATH environment variable? Did you forget to activate a virtual environment?

COPY pyproject.toml pyproject.toml
COPY poetry.lock poetry.lock

ENV \
  # Poetry's configuration:
  POETRY_NO_INTERACTION=1 \
  POETRY_VIRTUALENVS_CREATE=false \
  POETRY_CACHE_DIR='/var/cache/pypoetry' \
  POETRY_HOME='/usr/local' \
  POETRY_VERSION=1.6.1

RUN curl -sSL https://install.python-poetry.org | python3 - --version 1.6.1

RUN poetry install --no-interaction --no-ansi

https://stackoverflow.com/questions/53835198/integrating-python-poetry-with-docker