
Making My ECS App Public with an Application Load Balancer
How to expose an ECS Fargate app publicly using an Application Load Balancer, target groups, and Terraform. Includes subnet AZ requirements and security group locking.
5 posts

How to expose an ECS Fargate app publicly using an Application Load Balancer, target groups, and Terraform. Includes subnet AZ requirements and security group locking.

One flat file works until it doesn't, here is how to fix that

Stop storing your state locally, here is the right way to do it on AWS

From invisible to observable: IAM, CloudWatch Agent, and SSM wired together with Terraform

I wanted to stop consuming Terraform modules and start writing them. The best way I know how to learn something is to build something real, break it, fix it, and understand why it works. So I sat down and built a full three tier AWS architecture from scratch, no copy paste, no AI, just me, the Terraform docs, and a lot of errors. Here is what I ended up with and what I learned along the way.