How to disable authentication altogether for Djang

I have a Django server (Using PostGis) and I want to disable everything related to authentication:

When entering the admin no authentication will be required
In the admin hide the Users/Groups

After searching online I tried the combination of this & this

It does get me the result I hoped for, until I try to add an object via the admin. Then I get an IntegrityError:

insert or update on table "django_admin_log" violates foreign key constraint "django_admin_log_user_id_c564eba6_fk_auth_user_id"
DETAIL:  Key (user_id)=(1) is not present in table "auth_user".

I tried solving it using solutions like this and it didn't help.

I don't mind having a solution in a whole new approach as long as the end goal is acquired.

Thanks ahead,

As the Django project is running in dockers, and can be deployed when the users already exist or don't I ended up doing:

# Create superuser for admin use in case it doesn't exist
try:
    User.objects.get_by_natural_key('admin')
except User.DoesNotExist:
    User.objects.create_superuser('admin', 'admin@comapny.com', '123456')

Hope this helps someone one day. Full use:

from django.contrib import admin
from django.contrib.auth.models import User, Group


# We add this so no authentication is needed when entering the admin site
class AccessUser(object):
    has_module_perms = has_perm = __getattr__ = lambda s,*a,**kw: True

admin.site.has_permission = lambda r: setattr(r, 'user', AccessUser()) or True

# We add this to remove the user/group admin in the admin site as there is no user authentication
admin.site.unregister(User)
admin.site.unregister(Group)

# Create superuser for admin use in case it doesn't exist
try:
    User.objects.get_by_natural_key('admin')
except User.DoesNotExist:
    User.objects.create_superuser('admin', 'admin@optibus.co', '123456')