http:
  services:
    gzr-im-preview:
      loadBalancer:
        servers:
          - url: http://${node.metadata.get("container_gateway", "10.89.0.1")}:${node.metadata.get("www/gzr-im-preview/port")}

  routers:
    gzr-im-preview:
      rule: Host(`gzr-im.demo.gzr.im`)
      entryPoints:
        - http
        - https
      service: gzr-im-preview
      middlewares:
        - tls-redirect@file
      tls:
        certResolver: le
        domains:
          - main: '*.demo.gzr.im'