Fix copy paste error

Author: backmari

docker-entrypoint.sh

@@ -21,7 +21,7 @@ python manage.py migrate --noinput
 
 # Create the webcache
 python manage.py createcachetable webcache
-python manage.py ensure_adminuser --username=${DJANGO_SUPERUSER_USERNAME} --email='workflow@example.com' --password=${DJANGO_SUPERUSER_USERNAME}
+python manage.py ensure_adminuser --username=${DJANGO_SUPERUSER_USERNAME} --email='workflow@example.com' --password=${DJANGO_SUPERUSER_PASSWORD}
 
 # run application
 gunicorn live_data_server.wsgi:application -w 2 -b :8000 --reload