nginx/server/proxy/drivetrain.yml

parameters:
  _param:
    metallb_address: ${_param:kdt_metallb_address}
  nginx:
    server:
      enabled: true
      site:
        nginx_drivetrain_proxy:
          enabled: true
          type: nginx_proxy
          name: drivetrain
          proxy:
            host: ${_param:metallb_address}
            port: 80
            protocol: http
          host:
            name: ${_param:metallb_address}
            port: 80