metadata/service/server/single.yml

applications:
- horizon
parameters:
  _param:
    horizon_version: kilo
    horizon_identity_host: kilo
    horizon_identity_version: 3
  horizon:
    server:
      enabled: true
      version: ${_param:horizon_version}
      secret_key: ${_param:horizon_secret_key}
      bind:
        address: ${_param:single_address}
        port: 80
      mail:
        engine: dummy
      cache:
        engine: memcached
        prefix: 'CACHE_HORIZON'
        members:
        - host: ${_param:single_address}
          port: 11211
      wsgi:
        processes: 3
        threads: 10
      identity:
        engine: keystone
        host: ${_param:single_address}
        port: 5000
        host: ${_param:horizon_identity_host}
        encryption: ${_param:horizon_identity_encryption}
        api_version: ${_param:horizon_identity_version}