In the last chapter, we learned about developing custom plugins for Elasticsearch. We started with an overview of Apache Maven and its components and then created two plugins. The first plugin was a custom REST action plugin for creating our own REST endpoints inside Elasticsearch and the second plugin for creating a custom analyzer.
In this chapter, which is going to be the last chapter of this book, we are going to cover an overview of Elastic Stack. By the end of this chapter, we will have covered the following topics: