Agile, Scrum, and Lean
There have been other concepts, ideas, and perceptions that have significantly influenced the software industry in the last decades. Some of the approaches have been adapted from other industries, such as the Lean management from the Toyota Production System, and others have been created by key members of the software industry. We will discuss these approaches shortly to understand how DevOps and DevSecOps have become the next major step in the software industry.
The Agile manifesto
We have already discussed Agile as an SDLC methodology because this umbrella term can be applied directly to the software development phase as well as mapped to the entire software development organization and beyond.
The Agile manifesto was created in 2001 by a group of software developers who were looking for a better way to develop software. They came up with four core values and twelve principles that have since become the foundation of the Agile movement. The four core...
