problem locating file in resources folder in python project inside docker

I wrote a python script initialized using poetry to connect to Gdrive API and dockerized it using this Dockerfile :

# First stage: build the application
FROM python:3.10.2-slim as builder

# Set the working directory
WORKDIR /app

# Install Poetry and dependencies for building packages
RUN apt-get update && apt-get install -y libpq-dev gcc \
    && pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir poetry

# Copy necessary files
COPY . .

# Install Python dependencies in /.venv
RUN poetry config virtualenvs.create true \
    && poetry config virtualenvs.in-project true \
    && poetry install --no-interaction --no-ansi

# Second stage: create the final image
FROM python:3.10.2-slim

# Set the working directory
WORKDIR /home/appuser

# Install the libpq-dev package
RUN apt-get update && apt-get install -y libpq-dev

# Copy the virtual environment from the builder stage
COPY --from=builder /app/.venv /.venv
ENV PATH="/.venv/bin:$PATH"

# Copy only the necessary files to the image
COPY qdm_report_project/ qdm_report_project/

RUN ls ./qdm_report_project/

# Create a new user (to avoid security risks with the root user)
RUN useradd --create-home appuser \
    && mkdir -p /home/appuser/.config \
    && chown -R appuser:appuser /home/appuser/

# Create a new entrypoint script - Used for output files ownership
RUN echo '#!/bin/bash' > /entrypoint.sh \
    && echo 'if [ "$(id -u)" = "0" ]; then' >> /entrypoint.sh \
    && echo '  groupadd -g ${USER_GID} appusergrp' >> /entrypoint.sh \
    && echo '  usermod -u ${USER_UID} -g ${USER_GID} appuser' >> /entrypoint.sh \
    && echo '  exec runuser -u appuser -- python qdm_report_project/main.py "$@"' >> /entrypoint.sh \
    && echo 'else' >> /entrypoint.sh \
    && echo '  exec python qdm_report_project/main.py "$@"' >> /entrypoint.sh \
    && echo 'fi' >> /entrypoint.sh \
    && chmod +x /entrypoint.sh

# Switch to appuser
USER appuser

ENTRYPOINT ["/entrypoint.sh"]

the structure of the project inside the container looks like this :

the main.py contains :

from googleDrive import GoogleApi
def main():
    google_api = GoogleApi(settings)

and GoogleApi.py contains :

import pkg_resources

def get_resource_path(package_name: str, file_name: str):
    """
    Gets file's path at the top-level of resources folder
    :param package_name:
    :param file_name:
    :return:
    """
    return pkg_resources.resource_filename(package_name, os.path.join("resources", file_name))


    class GoogleApi:
        def __init__(self, config: LazySettings):
            ...
            credentials_path = get_resource_path(Path(__file__).parent.name, "serv_acc_google.json")
            print(credentials_path)
            ...

the code just work fine when executed locally but not inside the container.

root@7dea7641260b:/home/appuser/qdm_report_project# python main.py --config "/some_path"
Traceback (most recent call last):
  File "/.venv/lib/python3.10/site-packages/pkg_resources/__init__.py", line 416, in get_provider
    module = sys.modules[moduleOrReq]
KeyError: 'qdm_report_project'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/appuser/qdm_report_project/main.py", line 486, in <module>
    main()
  File "/home/appuser/qdm_report_project/main.py", line 416, in main
    google_api = GoogleApi(settings)
  File "/home/appuser/qdm_report_project/googleDrive.py", line 129, in __init__
    credentials_path = get_resource_path(Path(__file__).parent.name, "serv_acc_google.json")
  File "/home/appuser/qdm_report_project/googleDrive.py", line 117, in get_resource_path
    return pkg_resources.resource_filename(package_name, os.path.join("resources", file_name))
  File "/.venv/lib/python3.10/site-packages/pkg_resources/__init__.py", line 1375, in resource_filename
    return get_provider(package_or_requirement).get_resource_filename(
  File "/.venv/lib/python3.10/site-packages/pkg_resources/__init__.py", line 418, in get_provider
    __import__(moduleOrReq)
ModuleNotFoundError: No module named 'qdm_report_project'

do you have any idea what it could be ?

Edit:

running python -m pip list shows me the following :

I can see the editable project location as "/app" of the missing module

Thank you