Setting up a CI/CD Pipeline Using Jenkins

Setting up a CI/CD pipeline with Jenkins involves several key steps. First, prepare your GitHub repository by creating and pushing your code. Then, configure Jenkins by installing plugins, setting global configurations, and creating a new job. Next, integrate Jenkins with GitHub by configuring webhooks for automatic triggering. Finally, execute the pipeline manually or let webhooks automatically trigger it when code changes occur.

In today's fast-paced software development world, it is crucial to automate the build, test, and deployment processes to ensure efficient and reliable delivery of applications. Continuous Integration and Continuous Delivery (CI/CD) pipelines enable developers to streamline these processes, and Jenkins, an open-source automation tool, is widely used for implementing CI/CD pipelines.


Before diving into the setup process, ensure you have the following prerequisites:

  1. Jenkins installation: Install Jenkins on the target environment, whether it's a local machine or a remote server. You can download Jenkins from the official website and follow the installation instructions for your specific operating system.
  2. Version control system: Choose a version control system (e.g., Git) to manage your source code. If you don't have a repository, create a new GitHub repository to store your project's code.
  3. Build tools: Determine the appropriate build tools for your project, such as Maven or Gradle. Install these tools on the Jenkins server or ensure they are available in your project's environment.

Preparing the GitHub Repository

  1. Create a GitHub repository: Head over to GitHub and create a new repository to host your project's source code. Initialize the repository with a README file or any other initial files required.
  2. Push code to the repository: Clone the newly created repository to your local machine and add your project's source code to it. Commit the changes and push them to the GitHub repository.

Creating a Jenkins CI/CD Pipeline

  1. Access Jenkins: Open your preferred web browser and navigate to the Jenkins URL. If Jenkins is installed locally, it is typically available at "http://localhost:8080".
  2. Install necessary plugins: Jenkins provides a wide range of plugins to extend its functionality. Install plugins related to Git integration, build tools, and any other plugins specific to your project's requirements. Navigate to the Jenkins dashboard, go to "Manage Jenkins" and select "Manage Plugins" to install the desired plugins.
  3. Configure global settings: Before creating a CI/CD pipeline, configure essential global settings in Jenkins. Set up JDK installations, environment variables, and security settings based on your project needs. This ensures that your pipeline runs in the desired environment.
  4. Create a new Jenkins job: From the Jenkins dashboard, click on "New Item" to create a new job. Give it an appropriate name and select the "Freestyle project" option.
  5. Configure source code management: In the job configuration, specify the details of your GitHub repository. Provide the Git URL and choose the appropriate credentials if required. Decide whether you want Jenkins to poll for changes or trigger builds based on webhooks.
  6. Configure the build step: Define the build steps for your project. Specify the build tool (e.g., Maven, Gradle), build parameters, and any pre-build or post-build actions. For example, you can set up dependency management, compile the code, run unit tests, or generate code coverage reports.
  7. Set up testing: Integrate testing frameworks such as JUnit or Selenium to automate your tests. Configure the necessary test execution steps, including test data setup, test script execution, and result reporting.
  8. Configure deployment: Define the deployment steps for your application. Depending on your project, you may need to package the application, push artifacts to a repository, or deploy to specific environments. Set up deployment actions based on your deployment strategy.

Configuring a Webhook in GitHub

  1. Access your GitHub repository settings: Open your GitHub repository and navigate to the "Settings" tab.
  2. Configure webhooks: In the settings menu, find the "Webhooks" section and click on "Add webhook" to create a new webhook. Provide the Jenkins URL as the Payload URL. Select the events that should trigger the webhook, such as pushes or pull requests.
  3. Test the webhook: Once the webhook is set up, GitHub will send a test payload to the Jenkins server. Ensure that Jenkins receives the payload successfully by checking the webhook delivery status.

Executing and Triggering the Jenkins CI/CD Pipeline Job

With everything set up, you can now execute and trigger your Jenkins CI/CD pipeline job.

  1. Manual job execution: From the Jenkins dashboard, locate your created job and click on "Build Now" to manually trigger the CI/CD pipeline. This is useful when you want to initiate the pipeline on-demand or perform manual testing.
  2. Automatic job triggering: With the webhook configured in GitHub, any code push or pull request in the GitHub repository will automatically trigger the Jenkins job, initiating the CI/CD pipeline. This ensures that your pipeline runs seamlessly whenever changes are made to the codebase.

Key Takeaways

  1. Jenkins is a popular open-source automation tool used for setting up CI/CD pipelines.
  2. The process of setting up a CI/CD pipeline with Jenkins involves preparing the GitHub repository, configuring Jenkins, integrating with GitHub through webhooks, and executing the pipeline.
  3. Plugins play a crucial role in extending Jenkins' functionality for tasks such as source code management, build tools, and testing frameworks.
  4. Webhooks allow for automatic triggering of the CI/CD pipeline in response to code changes or other specified events in the GitHub repository.
  5. Jenkins provides options for both manual and automatic job execution, giving flexibility in initiating the pipeline as needed.
  6. Setting up a CI/CD pipeline with Jenkins brings benefits such as automated builds, testing, and deployments, resulting in faster and more reliable software delivery.
  7. Continuous integration and continuous delivery practices enable development teams to streamline their workflows and deliver high-quality software efficiently.


Setting up a CI/CD pipeline with Jenkins enables you to automate the build, test, and deployment processes, resulting in faster and more reliable software delivery. By following the steps outlined in this article, you can prepare your GitHub repository, create a Jenkins CI/CD pipeline, configure webhooks in GitHub, and trigger the pipeline automatically. Embracing CI/CD practices empowers development teams to deliver high-quality software more efficiently and effectively. Start implementing your CI/CD pipeline with Jenkins today and experience the benefits of automated software delivery.


1. Which tool is commonly used for setting up CI/CD pipelines? 

a) Jenkins 

b) Git 

c) Docker 


Answer: a) Jenkins

2. What is the purpose of configuring webhooks in Jenkins and GitHub integration? 

a) To automate the triggering of the CI/CD pipeline 

b) To manage version control in Git 

c) To generate code coverage reports 

d) To deploy the application to target environments

Answer: a) To automate the triggering of the CI/CD pipeline

3. What is the recommended approach for executing a Jenkins CI/CD pipeline job? 

a) Manually triggering the job from the Jenkins dashboard 

b) Running the pipeline only on weekends 

c) Automatically triggering the job through webhooks on code changes 

d) Running the pipeline at fixed time intervals

Answer: c) Automatically triggering the job through webhooks on code changes

4. Which step is not part of setting up a Jenkins CI/CD pipeline? 

a) Installing necessary plugins in Jenkins 

b) Configuring global settings in Jenkins 

c) Creating a new GitHub repository 

d) Creating a new Jenkins job

Answer: c) Creating a new GitHub repository

Module 4: Continuous Integration and Delivery (CI/CD) for MLSetting up a CI/CD Pipeline Using Jenkins

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