Need to install plugins for APAC languages and environment is in Azure Kubernetes ver. 1.91 with Elasticsearch ver. 7.13.3 with 3 pods. (master/ingest/client).
Instructions seen so far are for VMs in Azure.
Analysis Plugins | Elasticsearch Plugins and Integrations [7.13] | Elastic
Please any help/feedback is greatly appreciated of how to install plugins within Kubernetes.