# Terraform + ec2 discovery (AWS) initial master s
**URL:** https://discuss.elastic.co/t/terraform-ec2-discovery-aws-initial-master-s/304385
**Category:** Elasticsearch
**Created:** [May 10, 2022, 7:00pm UTC](https://discuss.elastic.co/t/terraform-ec2-discovery-aws-initial-master-s/304385 "2022-05-10T19:00:37Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@hunsw](https://discuss.elastic.co/u/hunsw)
#### Post date: [May 10, 2022, 7:00pm UTC](https://discuss.elastic.co/t/terraform-ec2-discovery-aws-initial-master-s/304385/1 "2022-05-10T19:00:37Z")
I'd like to create a small ES cluster in AWS with Terraform.
Does anybody have prior experience/a working example where Terraform instantiates 3 master nodes that can connect to each other?
The problem is that for bootstrapping the cluster a list of initial master nodes has to be provided, but I'm not sure how this can be done in Terraform where the IPs or the hostnames of the soon-to-be master nodes are unknown,
Any help is appreciated, thank you!
Edit: I would prefer to use an own version instead of a high level ES module...
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [June 7, 2022, 7:00pm UTC](https://discuss.elastic.co/t/terraform-ec2-discovery-aws-initial-master-s/304385/2 "2022-06-07T19:00:50Z")
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