Running zammad in docker behind caddy in docker

Infos:

• Used Zammad version: 6.3.1-38
• Used Zammad installation type: docker-compose
• Operating system: Linux

Expected behavior:

• Zammad is working

Actual behavior:

• I am trying to run zammad in my Coolify instance where I have running caddy container Caddy Docker. I checked several topics, documentation, proxy example in github for running behind proxy. But I am still getting CSRF token verification failed! when I am opening zammad from another browser or machine. I have setup caddy container and zammad on same network, pointed zammad to caddy ip with RAILS_TRUSTED_PROXIES, set up NGINX_SERVER_NAME, NGINX_SERVER_SCHEME=https, VIRTUAL_HOST, but still nothing helps. Did anyone manage to run zammad behind caddy proxy in docker container? I am already out of ideas what can be missconfigured Will be grateful for any help. Thank you!