docker compose up now casuing error.

[hanzheg]

When run dockercompose up, we now get the error:

remote-office-hours-queue-web-1 | Skipping OIDCAuthenticationBackend as OIDC variables were not set.
remote-office-hours-queue-web-1 | Traceback (most recent call last):
remote-office-hours-queue-web-1 | File "/usr/src/app/manage.py", line 21, in
remote-office-hours-queue-web-1 | main()
remote-office-hours-queue-web-1 | File "/usr/src/app/manage.py", line 17, in main
remote-office-hours-queue-web-1 | execute_from_command_line(sys.argv)
remote-office-hours-queue-web-1 | File "/usr/local/lib/python3.10/site-packages/django/core/management/init.py", line 442, in execute_from_command_line
remote-office-hours-queue-web-1 | utility.execute()
remote-office-hours-queue-web-1 | File "/usr/local/lib/python3.10/site-packages/django/core/management/init.py", line 382, in execute
remote-office-hours-queue-web-1 | settings.INSTALLED_APPS
remote-office-hours-queue-web-1 | File "/usr/local/lib/python3.10/site-packages/django/conf/init.py", line 102, in getattr
remote-office-hours-queue-web-1 | self._setup(name)
remote-office-hours-queue-web-1 | File "/usr/local/lib/python3.10/site-packages/django/conf/init.py", line 89, in _setup
remote-office-hours-queue-web-1 | self._wrapped = Settings(settings_module)
remote-office-hours-queue-web-1 | File "/usr/local/lib/python3.10/site-packages/django/conf/init.py", line 217, in init
remote-office-hours-queue-web-1 | mod = importlib.import_module(self.SETTINGS_MODULE)
remote-office-hours-queue-web-1 | File "/usr/local/lib/python3.10/importlib/init.py", line 126, in import_module
remote-office-hours-queue-web-1 | return _bootstrap._gcd_import(name[level:], package, level)
remote-office-hours-queue-web-1 | File "", line 1050, in _gcd_import
remote-office-hours-queue-web-1 | File "", line 1027, in _find_and_load
remote-office-hours-queue-web-1 | File "", line 1006, in _find_and_load_unlocked
remote-office-hours-queue-web-1 | File "", line 688, in _load_unlocked
remote-office-hours-queue-web-1 | File "", line 883, in exec_module
remote-office-hours-queue-web-1 | File "", line 241, in _call_with_frames_removed
remote-office-hours-queue-web-1 | File "/usr/src/app/officehours/settings.py", line 299, in
remote-office-hours-queue-web-1 | EMAIL_HOST = os.getenv('EMAIL_HOST').strip()
remote-office-hours-queue-web-1 | AttributeError: 'NoneType' object has no attribute 'strip'
remote-office-hours-queue-web-1 exited with code 1