Full console log for the pyproject.toml and a docker file to show the issue with poetry erasing it's own dependencies

gistfile1.txt

$ pip install poetry &&

Requirement already satisfied: pip in /usr/local/lib/python3.9/site-packages (21.0.1)
Collecting poetry
  Downloading poetry-1.1.6-py2.py3-none-any.whl (172 kB)
Collecting cleo<0.9.0,>=0.8.1
  Downloading cleo-0.8.1-py2.py3-none-any.whl (21 kB)
Collecting poetry-core<1.1.0,>=1.0.3
  Downloading poetry_core-1.0.3-py2.py3-none-any.whl (424 kB)
Collecting html5lib<2.0,>=1.0
  Downloading html5lib-1.1-py2.py3-none-any.whl (112 kB)
Collecting pkginfo<2.0,>=1.4
  Downloading pkginfo-1.7.0-py2.py3-none-any.whl (25 kB)
Collecting tomlkit<1.0.0,>=0.7.0
  Downloading tomlkit-0.7.0-py2.py3-none-any.whl (32 kB)
Collecting keyring<22.0.0,>=21.2.0
  Downloading keyring-21.8.0-py3-none-any.whl (32 kB)
Collecting pexpect<5.0.0,>=4.7.0
  Downloading pexpect-4.8.0-py2.py3-none-any.whl (59 kB)
Collecting clikit<0.7.0,>=0.6.2
  Downloading clikit-0.6.2-py2.py3-none-any.whl (91 kB)
Collecting virtualenv<21.0.0,>=20.0.26
  Downloading virtualenv-20.4.3-py2.py3-none-any.whl (7.2 MB)
Collecting cachecontrol[filecache]<0.13.0,>=0.12.4
  Downloading CacheControl-0.12.6-py2.py3-none-any.whl (19 kB)
Collecting requests<3.0,>=2.18
  Downloading requests-2.25.1-py2.py3-none-any.whl (61 kB)
Collecting packaging<21.0,>=20.4
  Downloading packaging-20.9-py2.py3-none-any.whl (40 kB)
Collecting shellingham<2.0,>=1.1
  Downloading shellingham-1.4.0-py2.py3-none-any.whl (9.4 kB)
Collecting crashtest<0.4.0,>=0.3.0
  Downloading crashtest-0.3.1-py3-none-any.whl (7.0 kB)
Collecting cachy<0.4.0,>=0.3.0
  Downloading cachy-0.3.0-py2.py3-none-any.whl (20 kB)
Collecting requests-toolbelt<0.10.0,>=0.9.1
  Downloading requests_toolbelt-0.9.1-py2.py3-none-any.whl (54 kB)
Collecting msgpack>=0.5.2
  Downloading msgpack-1.0.2-cp39-cp39-manylinux1_x86_64.whl (294 kB)
Collecting lockfile>=0.9
  Downloading lockfile-0.12.2-py2.py3-none-any.whl (13 kB)
Collecting pylev<2.0,>=1.3
  Downloading pylev-1.3.0-py2.py3-none-any.whl (4.9 kB)
Collecting pastel<0.3.0,>=0.2.0
  Downloading pastel-0.2.1-py2.py3-none-any.whl (6.0 kB)
Collecting webencodings
  Downloading webencodings-0.5.1-py2.py3-none-any.whl (11 kB)
Collecting six>=1.9
  Downloading six-1.15.0-py2.py3-none-any.whl (10 kB)
Collecting jeepney>=0.4.2
  Downloading jeepney-0.6.0-py3-none-any.whl (45 kB)
Collecting SecretStorage>=3.2
  Downloading SecretStorage-3.3.1-py3-none-any.whl (15 kB)
Collecting pyparsing>=2.0.2
  Downloading pyparsing-2.4.7-py2.py3-none-any.whl (67 kB)
Collecting ptyprocess>=0.5
  Downloading ptyprocess-0.7.0-py2.py3-none-any.whl (13 kB)
Collecting idna<3,>=2.5
  Downloading idna-2.10-py2.py3-none-any.whl (58 kB)
Collecting urllib3<1.27,>=1.21.1
  Downloading urllib3-1.26.4-py2.py3-none-any.whl (153 kB)
Collecting chardet<5,>=3.0.2
  Downloading chardet-4.0.0-py2.py3-none-any.whl (178 kB)
Collecting certifi>=2017.4.17
  Downloading certifi-2020.12.5-py2.py3-none-any.whl (147 kB)
Collecting cryptography>=2.0
  Downloading cryptography-3.4.7-cp36-abi3-manylinux2014_x86_64.whl (3.2 MB)
Collecting cffi>=1.12
  Downloading cffi-1.14.5-cp39-cp39-manylinux1_x86_64.whl (406 kB)
Collecting pycparser
  Downloading pycparser-2.20-py2.py3-none-any.whl (112 kB)
Collecting appdirs<2,>=1.4.3
  Downloading appdirs-1.4.4-py2.py3-none-any.whl (9.6 kB)
Collecting distlib<1,>=0.3.1
  Downloading distlib-0.3.1-py2.py3-none-any.whl (335 kB)
Collecting filelock<4,>=3.0.0
  Downloading filelock-3.0.12-py3-none-any.whl (7.6 kB)
Installing collected packages: pycparser, urllib3, idna, chardet, cffi, certifi, requests, pylev, pastel, msgpack, jeepney, cryptography, crashtest, webencodings, six, SecretStorage, pyparsing, ptyprocess, lockfile, filelock, distlib, clikit, cachecontrol, appdirs, virtualenv, tomlkit, shellingham, requests-toolbelt, poetry-core, pkginfo, pexpect, packaging, keyring, html5lib, cleo, cachy, poetry
Successfully installed SecretStorage-3.3.1 appdirs-1.4.4 cachecontrol-0.12.6 cachy-0.3.0 certifi-2020.12.5 cffi-1.14.5 chardet-4.0.0 cleo-0.8.1 clikit-0.6.2 crashtest-0.3.1 cryptography-3.4.7 distlib-0.3.1 filelock-3.0.12 html5lib-1.1 idna-2.10 jeepney-0.6.0 keyring-21.8.0 lockfile-0.12.2 msgpack-1.0.2 packaging-20.9 pastel-0.2.1 pexpect-4.8.0 pkginfo-1.7.0 poetry-1.1.6 poetry-core-1.0.3 ptyprocess-0.7.0 pycparser-2.20 pylev-1.3.0 pyparsing-2.4.7 requests-2.25.1 requests-toolbelt-0.9.1 shellingham-1.4.0 six-1.15.0 tomlkit-0.7.0 urllib3-1.26.4 virtualenv-20.4.3 webencodings-0.5.1

$ poetry config virtualenvs.create false && poetry install --no-dev -vvv

Skipping virtualenv creation, as specified in config file.
Installing dependencies from lock file

Finding the necessary packages for the current system

Package operations: 0 installs, 0 updates, 1 removal

  • Removing appdirs (1.4.4)

$ poetry --help
Traceback (most recent call last):
  File "/usr/local/bin/poetry", line 5, in <module>
    from poetry.console import main
  File "/usr/local/lib/python3.9/site-packages/poetry/console/__init__.py", line 1, in <module>
    from .application import Application
  File "/usr/local/lib/python3.9/site-packages/poetry/console/application.py", line 7, in <module>
    from .commands.about import AboutCommand
  File "/usr/local/lib/python3.9/site-packages/poetry/console/commands/__init__.py", line 4, in <module>
    from .check import CheckCommand
  File "/usr/local/lib/python3.9/site-packages/poetry/console/commands/check.py", line 2, in <module>
    from poetry.factory import Factory
  File "/usr/local/lib/python3.9/site-packages/poetry/factory.py", line 18, in <module>
    from .repositories.pypi_repository import PyPiRepository
  File "/usr/local/lib/python3.9/site-packages/poetry/repositories/pypi_repository.py", line 33, in <module>
    from ..inspection.info import PackageInfo
  File "/usr/local/lib/python3.9/site-packages/poetry/inspection/info.py", line 25, in <module>
    from poetry.utils.env import EnvCommandError
  File "/usr/local/lib/python3.9/site-packages/poetry/utils/env.py", line 23, in <module>
    import virtualenv
  File "/usr/local/lib/python3.9/site-packages/virtualenv/__init__.py", line 3, in <module>
    from .run import cli_run, session_via_cli
  File "/usr/local/lib/python3.9/site-packages/virtualenv/run/__init__.py", line 7, in <module>
    from ..app_data import make_app_data
  File "/usr/local/lib/python3.9/site-packages/virtualenv/app_data/__init__.py", line 9, in <module>
    from appdirs import user_data_dir
ModuleNotFoundError: No module named 'appdirs'