AWS

In Demystifying AWS CloudFormation, we used static AMI mappings for an EC2 template. It works but needs updates and fails across regions. SSM Parameter Store fixes this, fetching fresh AMI IDs dynamically. This guide swaps mappings for SSM, with a full template to simplify AMI management.

A Beginner's Guide to AWS CloudFormation - This covers the basics of CloudFormation and includes a complete working template to deploy an EC2 instance with a security group.