because pires has stopped maintaining its repository updates are provided here

docker-elasticsearch-kubernetes

Ready to use, lean Elasticsearch Docker image ready for using within a Kubernetes cluster.

Note: x-pack-ml module is forcibly disabled as it's not supported on Alpine Linux.

See pires/kubernetes-elasticsearch-cluster for instructions on how to run, scale and use Elasticsearch on Kubernetes.

This image can be configured by means of environment variables, that one can set on a Deployment.

Besides the inherited ones, this container image provides the following:

DISCOVERY_SERVICE - the service to be queried for through DNS (default = elasticsearch-discovery).