Jenkins is an open-source continuous integration and continuous delivery (CI/CD) tool that helps automate software development and DevOps processes. It is a Java-based platform with plugins designed for various CI/CD tasks, such as building, testing, deploying, and monitoring software projects.
Jenkins works by continuously polling a source code repository (such as Git or SVN) for changes. When a change is detected, Jenkins triggers a pipeline, which is a series of steps that are executed in order. The steps in a pipeline can include tasks such as compiling the code, running unit tests, deploying the code to a staging environment, and running acceptance tests.
Jenkins also provides a variety of features that make it a powerful CI/CD tool, such as:
Extensibility: Jenkins can be extended with plugins to support a wide range of tools and technologies.
Pipeline visualization: Jenkins provides a visual representation of pipelines, making it easy to see the status of each step and to identify any bottlenecks.
Build triggers: Jenkins can be triggered to run a pipeline manually, automatically, or based on events such as a code commit or a successful unit test run.
Notifications: Jenkins can notify users of the status of pipelines and builds via email, SMS, or other channels.
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