In this video, Gerardo Estaba discusses the evolution of code deployment practices, from manual and risky methods to modern, automated approaches in the cloud. He explains how using immutable infrastructure with Auto Scaling and AWS CodeDeploy can make deployments safer and more predictable. The video covers concepts like blue-green deployments, gradual rollouts, and automated testing and rollbacks, demonstrating how these techniques minimize deployment risks and improve application uptime. Estaba emphasizes the importance of automation in achieving peace of mind during code deployments, showcasing AWS CodeDeploy's features for controlled, low-risk deployments in cloud environments.