elasticsearch

Another way of showing the current Elasticsearch version is to get the root page.

$ curl -k https://elastic:${PASSWORD}@${ELASTICSEARCH}:9200/

{
  "name" : "5662bc091087",
  "cluster_name" : "docker-cluster",
  "cluster_uuid" : "U9K4RBOATmyihYgAY2Crjg",
  "version" : {
    "number" : "8.4.1",
    "build_flavor" : "default",
    "build_type" : "docker",
    "build_hash" : "2bd229c8e56650b42e40992322a76e7914258f0c",
    "build_date" : "2022-08-26T12:11:43.232597118Z",
    "build_snapshot" : false,
    "lucene_version" : "9.3.0",
    "minimum_wire_compatibility_version" : "7.17.0",
    "minimum_index_compatibility_version" : "7.0.0"
  },
  "tagline" : "You Know, for Search"
}