The Big Data in Real World team needs an alias:
An alias as the name suggests is an alias or another name to the index in Elasticsearch. It is quite useful when you want to refer to an index by another name. So instead of performing an reindex to rename or cloning an index you can create an alias to the index.
Click through for the script to create an alias, how you might use one, and the right way to delete one without removing the underlying article.