What is the CI/CD pipeline?

why we are saying pipeline?

A Deployment pipeline is the process of taking code from version control and making it readily available to users of your application in an automated fashion. When a team of developers are working on projects or features they need a reliable and efficient way to build, test and deploy their work. Historically, this would have been a manual process involving lots of communication and a lot of human error.

The stages of a typical deployment pipeline are as follows.