This tutorial demonstrates how to use Ansible, an open-source orchestration tool, to deploy a Twilio webhook on Amazon Web Services (AWS) EC2 instances in a maintainable and extendable manner. The process involves creating a Flask application that handles the Twilio webhook, provisioning an EC2 instance using Ansible, and deploying the application to the instance. The tutorial covers various aspects of Ansible, including core concepts, inventory management, and service deployment. It also highlights the importance of handling secrets securely using Ansible Vault.