Install Kibana plugins on Elastic Cloud on Kubernetes
Elastic Cloud on Kubernetes extends Kubernetes orchestration capabilities to allow you to deploy and manage components of the Elastic Stack. Availability This functionality is generally available and ready for production usage. This documentation corresponds to the latest patch available for each minor version. If you're not using the latest patch, check the release notes for changes.
ECK
Generally available
You can override the Kibana container image to use your own image with the plugins already installed, as described in Create custom images.
This is a Dockerfile example: