[keycloak-user] Invinity loop while proxy angular2 devserver

Hi, I try to prepare a development environment and got a strange loop behavior. I have build a docker scenario with a keycloak/postgresql container that is behind a web server proxy container (tested Apache and nginx). The webserver container proxy also to a local running node.js instance with angualar2 devserver. My sample angular app uses the javascript keycloak adapter and wrapped it with a service. If I run Angular devserver and keycloak without any proxy all works fine. When I use the same servers (modified keycloak.json) behind the proxy, the angular app runs after successful keycloak login in an endless loop. Every second the site is reloaded - without any new login. When I build a release from my angular app and deploy it to the webserver all works fine. But this is not really an alternative because I want setup an universal dev environment :-/ After days of debugging, imo there is a good chance for some race conditions in Javascript adapter between the dynamic iframe and the angular app or I do something essential wrong. My question is now, have anyone here run a similar setup and use it without any problems? Currently my containers run with keycloak version 2.4.0.Final. As next step I will update my setup to 2.5.1.Final and try to reproduce the behavior. Kind regards Eiko