Getting started with Bonsai.io's hosted ElasticSearch service

example-installation-testing-session.sh

$ heroku addons:add elasticsearch:test
-----> Adding elasticsearch:test to bonsai-search... done, v51 (free)

$ heroku config | grep ELASTICSEARCH_URL
ELASTICSEARCH_URL   => http://index.bonsai.io/pw4mw3d5y1rql88i44eo

$ curl 'http://index.bonsai.io/pw4mw3d5y1rql88i44eo/test?pretty=true' -d '{"test":"hello world"}'
{
  "ok":true,
  "_index":"pw4mw3d5y1rql88i44eo",
  "_type":"test",
  "_id":"qKdnxB14R7OYTmiCdK2g2A",
  "_version":1
}

$ curl 'http://index.bonsai.io/pw4mw3d5y1rql88i44eo/test/_search?q=test:hello&pretty=true'
{
  "took" : 3,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "failed" : 0
  },
  "hits" : {
    "total" : 1,
    "max_score" : 0.19178301,
    "hits" : [ {
      "_index" : "pw4mw3d5y1rql88i44eo",
      "_type" : "test",
      "_id" : "qKdnxB14R7OYTmiCdK2g2A",
      "_score" : 0.19178301, "_source" : {"test":"hello world"}
    } ]
  }
}

ELASTICSEARCH_URL or BONSAI_URL, etc?