Get the DevOps Roadmap for 2022 here:

Learn to use Ansible Playbooks to configure AWS EC2 instances. Specify which instances should be configured using your existing AWS tags. The example I use adds user accounts to the EC2 instance and illustrates a great example of combining GitOps with your team’s workflow to allow the development team to manage their own servers.

0:00 Introduction
1:40 Directory structure
4:10 Dynamic variables in playbooks
5:00 Show me the playbook, Coach!
6:30 Other ways to use this pattern
7:15 Run the playbook
9:05 Why this pattern is the GOAT

source