local/mongo-elasticsearch-sync/src/main/resources/application.json

{
    "$license": [
        "http://www.apache.org/licenses/LICENSE-2.0"
    ],
    "source": {
        "host": "localhost",
        "port": 27017,
        "db": "streams",
        "collection": "activities"
    },
    "destination": {
        "hosts": [
            "localhost"
        ],
        "port": 9300,
        "clusterName": "elasticsearch",
        "index": "destination",
        "type": "activity"
    }
}