local/elasticsearch-reindex/src/main/resources/application.json

{
  "$license": [
    "http://www.apache.org/licenses/LICENSE-2.0"
  ],
  "source": {
      "hosts": [
          "localhost"
      ],
      "port": 9300,
      "clusterName": "elasticsearch",
      "indexes": [
          "activity"
      ],
      "types": [
          "activity"
      ],
      "forceUseConfig": true
  },
  "destination": {
      "hosts": [
          "localhost"
      ],
      "port": 9300,
      "clusterName": "elasticsearch",
      "index": "activity2",
      "type": "activity",
      "forceUseConfig": true
  }
}