For local testing I do use geonode paver on port 8000 and a Keycloak server started with docker on port 8090:
docker run -p 8090:8080 -e KEYCLOAK_USER=admin -e KEYCLOAK_PASSWORD=admin quay.io/keycloak/keycloak:12.0.1
https://www.keycloak.org/getting-started/getting-started-docker
- create a new realm to group our new app and users
marsianer