ansible-docker/docs/keycloak.md

Required variables

These variables are required. Example values included. Some general variables might also be required for this role.

ports:
  keycloak:
    http: 8080

docker_vhost_domains: 
  keycloak:
    - keycloak.domain.tld

database_passwords:
  keycloak: secret

keycloak_admin_pw: secret