PUT _index_template/students-template
{
  "index_patterns": [
    "students-*"
  ],
  "template": {
    "settings": {
      "number_of_shards": 1,
      "number_of_replicas": 0
    }
  }
}

GET _index_template/students-template

PUT students-2022

GET students-2022

GET _cat/indices?v

DELETE students-2022

DELETE _index_template/students-template

PUT _component_template/mysettings
{
  "template": {
    "settings": {
      "number_of_shards": 1,
      "number_of_replicas": 0
    }
  }
}

GET _component_template/mysettings

PUT _index_template/students-template
{
  "index_patterns": [
    "students-*"
  ],
  "composed_of": [
    "mysettings"
  ]
}

GET _index_template/students-template

PUT students-2022

GET students-2022

PUT students-2022/_doc/1
{
  "student-id": "1001",
  "name": "John Smith",
  "course": "Elastic Certified Engineer"
}

GET students-2022/_doc/1

# Cleanup if you wish to
DELETE students-2022
DELETE _index_template/students-template
DELETE _component_template/mysettings