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How to Run Jenkins in Docker?

An industry-standard automation server, Jenkins can be seamlessly integrated with Docker, a powerful containerization platform. Running Jenkins in Docker brings numerous advantages, including simplified setup, easy scalability, and enhanced portability. 

By encapsulating Jenkins within a Docker container, you can ensure consistent and reproducible environments across different systems, eliminating potential compatibility issues. 

This blog provides a clear understanding of how to configure and utilize Jenkins within Docker.

Kindly go through our Docker Course video in order to get a better understanding:

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What is Jenkins?

What is Jenkins

Jenkins is an open-source automation server pivotal in facilitating continuous integration and delivery of software applications. It offers a strong foundation for automating diverse tasks encompassing the software development lifecycle, including building, testing, and deploying applications. 

Jenkins boasts extensive plugins and integrations with various tools, enabling effortless customization and extensibility. Its user-friendly web interface and robust capabilities have positioned Jenkins as a preferred choice for teams and organizations seeking to automate their development workflows and accomplish swift and dependable software delivery.

Want to know more about Docker in detail, enroll in Docker Certification Training Course!

What is Docker?

What is Docker

Docker is a popular platform for containerization, enabling the creation and management of lightweight, isolated software containers. Containers are self-contained units that package an application and its dependencies, allowing easy deployment across different environments. 

Docker provides a consistent runtime environment, ensuring applications run consistently regardless of the underlying system. By utilizing Docker, developers can achieve greater efficiency, scalability, and flexibility in deploying their applications while minimizing conflicts between dependencies. 

Docker simplifies the process of packaging, shipping, and running applications, revolutionizing how software is developed and deployed.

Jenkins Vs. Docker

Jenkins Vs Docker

Jenkins and Docker have widely used software development and deployment tools, each serving distinct purposes. Although they can be employed together to enhance the software development process, there are fundamental differences between the two:

Criteria Jenkins Docker
Purpose It is an open-source automation server primarily utilized for continuous integration and continuous delivery. It streamlines software application building, testing, and deployment by automating these processes. Docker is an open-source platform that facilitates application packaging and execution within containers. Its primary goal is to offer a consistent runtime environment, allowing applications to operate uniformly across different systems.
Functionality With extensive features, Jenkins excels in CI/CD. It encompasses source code management, build automation, testing, and deployment, empowering developers to construct pipelines or workflows that automate the software development lifecycle. Docker is primarily concerned with containerization. It enables developers to encapsulate applications and their dependencies into lightweight, portable containers. These containers can then be executed on any machine equipped with Docker, guaranteeing consistent behavior across diverse environments.
Scalability As a distributed system, Jenkins can scale by employing multiple instances known as “agents” to handle different aspects of the build and deployment processes. It facilitates workload distribution through a master-slave architecture. Docker’s scalability is achieved through containerization. Running multiple containerized application instances across various machines or cloud instances allows horizontal scaling to be easily accomplished.
Isolation Jenkins relies on the underlying operating system’s process isolation capabilities and does not inherently provide isolation between different build or deployment processes. Docker delivers robust isolation among applications running within containers. Each container possesses its own file system, network stack, and process space, ensuring isolation from other applications and the host system.
Portability While Jenkins primarily focuses on automating software development workflows rather than portability, it offers some portability. Configurations and job definitions can be exported and imported to replicate similar environments elsewhere. Docker containers are highly portable. Once a Docker image is created, it can be executed on any machine equipped with Docker, irrespective of the underlying operating system or infrastructure. This is as long as the necessary dependencies are satisfied.

Take your development environment to the next level with Docker. Follow our step-by-step Docker Tutorial to get started!

How to Configure Jenkins in Docker?

How to Configure Jenkins in Docker

Here’s a step-by-step guide on how to configure Jenkins in Docker:

docker pull jenkins/jenkins
docker volume create jenkins_volume
docker run -d -p 8080:8080 -p 50000:50000 --name jenkins --mount source=jenkins_volume,target=/var/jenkins_home jenkins/jenkins
docker exec jenkins cat

Copy the password displayed in the terminal.

That’s it! You have successfully configured Jenkins in Docker.

Want to excel in your interview? Refer to our Top Docker Interview Questions and Answers!


In conclusion, this blog has provided a concise and informative guide on running Jenkins in Docker, ensuring clarity for learners. We defined Jenkins as a popular automation tool and Docker as a containerization platform. By comparing Jenkins and Docker, we shed light on their distinct roles in software development. 

Moreover, we detailed the step-by-step process of configuring Jenkins within a Docker environment, emphasizing the significance of proper setup. This blog equips learners with the knowledge and practical insights to utilize Jenkins in Docker effectively, facilitating streamlined and efficient development workflows.

Still in doubt? Contact us at our Community Page!

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