embed-server --server-config=standalone.xml
/subsystem=security/security-domain=keycloak/:add
/subsystem=security/security-domain=keycloak/authentication=classic/:add(login-modules=[{ "code" => "org.keycloak.adapters.jboss.KeycloakLoginModule","flag" => "required"}])
/extension=org.keycloak.keycloak-adapter-subsystem/:add(module=org.keycloak.keycloak-adapter-subsystem)
/subsystem=keycloak:add