Can I use the ElasticSearch service?

Yes. To define the ElasticSearch service, use the elasticsearch type in .upsun/config.yaml under the services key:

services:
  # The name of the service container. Must be unique within a project.
  <SERVICE_NAME>:
    type: elasticsearch:<VERSION>

Note that if you later change the name, it’s treated as an entirely new service. This removes all data from your service. Always backup your data before changing the service.

Please note that Elasticsearch versions 7.11 or later are no longer included by default in any Upsun plan. Instead, newer versions of Elasticsearch are available as premium services. Meanwhile, older versions of Elasticsearch (7.10 and below) are still available for free, but are considered deprecated.

Please also note that Opensearch is available as an alternative to Elasticsearch.

For more information on this feature, please see the following page in the Upsun documentation:

https://docs.upsun.com/add-services/elasticsearch.html