Mastering OpenStack(Second Edition)
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DevOps in a nutshell

The term DevOps is a conjunction of development (software developers) and operations (manage and put software into production). Many IT organizations have started to adopt such a concept, but the question is how and why? Is it a job? Is it a process or a practice?

DevOps is development and operations compounded, which basically defines a methodology of software development. It describes practices that streamline the software delivery process. It is about raising communication and integration between developers, operators (including administrators), and quality assurance teams. The essence of the DevOps movement lies in leveraging the benefits of collaboration. Different disciplines can relate to DevOps in different ways, and bring their experiences and skills together under the DevOps banner to gain shared values.

So, DevOps is a methodology that integrates the efforts of several disciplines, as shown in the following figure:

This new movement is intended to resolve the conflict between developers and operators. Delivering a new release affects production systems. It puts different teams in conflicting positions by setting different goals for them, for example, the development team wants their latest code to go live, while the operations team wants more time to test and stage the changes before going to production. DevOps fills the gap and streamlines the process of bringing in change by encouraging collaboration between the developers and operators.

DevOps is neither a toolkit nor a job; it is the synergy that streamlines the process of change.

Let's see how DevOps can incubate a cloud project.