How to install Jenkins on Docker

Docker has become the standard for universal application packaging, with major operating systems, cloud providers, and platforms supporting Docker images, including Jenkins through the jenkins/jenkins image. This guide explains how to run Jenkins in a Docker container, detailing the command to execute, the significance of each argument, and the role of Docker volumes in preserving data across container lifecycles. It further elaborates on customizing Jenkins by building a custom Docker image with additional software, installing Jenkins plugins, and managing Jenkins instances using Docker containers as systemd services. The article also highlights advanced configuration options, such as passing Java arguments and Jenkins application arguments, and provides instructions for backing up data stored in Docker volumes. It concludes by suggesting further exploration of Jenkins deployment on Kubernetes and promoting resources like webinars and a Jenkins Pipeline Generator tool.