# Deploying a Java feature server on Kubernetes

This tutorial guides you on how to:

* Define features and data sources in Feast using the Feast CLI
* Materialize features to a Redis cluster deployed on Kubernetes.
* Deploy a Feast Java feature server into a Kubernetes cluster using the Feast helm charts
* Retrieve features using the gRPC API exposed by the Feast Java server

Try it and let us know what you think!

| ![](https://4016087360-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyVldV2laSML2GcPMnSTL%2Fuploads%2Fgit-blob-8b25551a97921681334176ee143b41510a117d86%2Fgithub-mark-32px.png?alt=media)[ View guide in Github](https://github.com/feast-dev/feast/blob/v0.18-branch/examples/java-demo/README.md) |
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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.feast.dev/v0.18-branch/how-to-guides/fetching-java-features-k8s.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.