windmill-config/zuul/etc/nginx/conf.d/zuul-web.conf.j2

server {
  listen 80;
  listen [::]:80;

  server_name _;

  location /zuul/ {
    proxy_pass http://{{ hostvars['zw01'].ansible_host }}:9000/;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
  }
}