The first part covers deploying Elasticsearch on AWS as OpenSearch. I’ll share practical pitfalls from my commercial experience—insights you won’t find in AWS docs. You’ll get a ready Terraform module for deploying OpenSearch, and we’ll go through it step by step.

Next, we deploy an ES cluster on ECS using Terraform, showing why Fargate won’t work and how to solve deployment challenges.

The third section covers deploying ES on EC2 with Docker Swarm, a cost-effective, scalable option for small and mid-sized businesses. You’ll get Terraform modules for AWS infrastructure and Ansible modules for deploying a HA ES cluster.

The fourth part explores autoscaling ES clusters, what can be scaled, when, and limitations.

The fifth module covers ES theory—shards, performance, and cluster concepts—essential if you’re new to Elasticsearch.