Pipeline-as-code or defining the deployment pipeline through code rather than manual job creation through UI, provides tremendous benefits for teams automating builds and deployment infrastructure across their environments. Source of image Jenkins Pipelines Jenkins is a well-known open source continuous integration and continuous deployment automation tool. With the latest 2.0 release, Jenkins introduced the Workflow plugin that implements Pipeline-as-code. This plugin lets you define delivery pipelines using concise scripts which deal elegantly with jobs involving persistence and asynchrony.