metadata/service/server/carbon.yml

applications:
- statsd
parameters:
  _params:
    statsd_server_backend_host: localhost
    statsd_server_backend_port: 2003
  statsd:
    server:
      enabled: true
      bind:
        address: 0.0.0.0
        port: 8125
      backend:
        engine: carbon
        host: ${_param:statsd_server_backend_host}
        port: ${_param:statsd_server_backend_port}