Follow the instructions on https://computingforgeeks.com/install-and-configure-freeipa-server-on-ubuntu/
In case of issues with first login execute chmod a+x /var/lib/krb5kdc and restart web server.
Create roles and groups as:
developers - developersadmins - admin membersops - operation membersCreate users per each group and assign it to related role.
https://computingforgeeks.com/install-and-configure-freeipa-server-on-ubuntu/
https://www.freeipa.org/page/Documentation
https://github.com/mposolda/keycloak-freeipa-docker/blob/master/README.md
https://spoore.wordpress.com/2017/02/21/keycloak-and-freeipa-intro/
https://www.keycloak.org/docs/latest/server_admin/
https://shapeshed.com/hashicorp-vault-ldap/
https://www.burgundywall.com/post/hashicorp-vault-and-freeipa
https://computingforgeeks.com/install-and-configure-freeipa-server-on-ubuntu/
https://idaccessman.wordpress.com/blog/