Cannot run `scanpipe` command when running ScanCode.io on Docker

[JonoYang]

I'm running ScanCode.io on Docker and I've enabled authentication. I need to create a user account using the command scanpipe create-user <username>, so I can log in. Since I'm using Docker, I have to run the command from ScanCode.io's "web" container, so I run:

• docker compose exec -it web scanpipe create-user <username>

However, I get the error:

Traceback (most recent call last):
  File "/usr/local/bin/scanpipe", line 5, in <module>
    from scancodeio import command_line
ModuleNotFoundError: No module named 'scancodeio'

I'm able to create a user account if I run docker compose exec -it web /app/manage.py create-user <username>

[tdruez]

@JonoYang thanks for reporting this.
The Dockerfile was missing the PYTHONPATH setup.
Also, I've refine the CLI documentation to clarify the scanpipe command usages through Docker compose.

Could you test the PYTHONPATH fix and review the documentation changes as well? Available at #617