probe_gateway_metric/_docker/config/config.json

{
  "serverHandler": {
    "name": "Gateway Probe Metric",
    "network": "tcp4",
    "address": ":80",
    "concurrency": 262144,
    "keepAlive": 60,
    "handshakeTimeout": 60,
    "maxMessageSize": 8192,
    "readBufferSize": 4096,
    "writeBufferSize": 4096,
    "readTimeout": 0,
    "writeTimeout": 0,
    "pongTimeout": 60,
    "pingTimeout": 10,
    "pingPeriod": 9,
    "enableCompression": false
  },
  "external": {
    "grpc": {
      "network": "tcp4",
      "address": "central:9111"
    },
    "kafka": {
      "producers": {
        "metric": {
          "brokers": [
            "kafka1:9092"
          ],
          "topic": "overflow-metric-topic"
        }
      }
    }
  }
}