The ELK stack is an abbreviation for Elasticsearch, Logstash, and Kibana, which offers the following capabilities:

Elasticsearch: a scalable search and analytics engine with a log analytics tool and application-formed database, perfect for data-driven applications.
Logstash: a log-processing tool that collects logs from various sources, parses them, and sends them to Elasticsearch for storage and analysis.
Kibana: A powerful visualization tool that allows you to explore and analyze the data stored in Elasticsearch using interactive charts, graphs, and dashboards.

The Infrastructure of Elasticsearch

Before we dive into deploying the ELK Stack, let’s first understand the critical components of Elasticsearch’s infrastructure: