The first signs of DevOps – 2010s

The early days of DevOps were fueled by the agile software development movement and its principles of continuous improvement, customer satisfaction, and collaborative working. Agile methodologies provided a framework for software development that encouraged frequent inspection and adaptation, and it paved the way for the integration of operations into the development life cycle.

I first heard about it in 2009 but only experienced it in 2012. The key focus was on bridging the gap between development and operations. This included ideas such as IaC, where infrastructure management was automated and version-controlled, just as with software code. Tools such as Puppet and Chef started to gain popularity, allowing for automated configuration management. CI and CD were also essential elements, enabling more reliable and faster software releases.

Fundamentally, it was about fostering a culture of collaboration, communication, and shared responsibility...