For years, containerisation has been the cornerstone of modern application deployment. Tools like Docker revolutionised how we build, ship, and run applications by packaging code and dependencies into a single, portable unit. This approach solved the classic "it works on my machine" problem and streamlined CI/CD pipelines. However, as the cloud ecosystem has matured, a new paradigm has emerged: cloud-native, event-driven architecture. While containers remain powerful, understanding when to embrace server-less functions, like AWS Lambda, is key to building truly efficient and scalable systems.
