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Demo: Install Node.js Dependencies in Your Jenkins Pipeline

In this tutorial, we’ll show you how to integrate a Node.js install step into your Jenkins Pipeline, verify your Node.js version, and install project dependencies. By the end, you’ll see how Blue Ocean displays your pipeline stages and where the node_modules folder appears in the workspace.

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Prerequisites

Make sure the NodeJS Plugin is installed and configured under Manage Jenkins → Global Tool Configuration.

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Pipeline Configuration

  1. Open your Jenkinsfile.
  2. Configure the Node.js tool and define two stages:
    • VM Node Version: Verifies node and npm versions.
    • Installing Dependencies: Runs npm install --no-audit.
Stage NamePurposeCommand
VM Node VersionCheck Node.js and npm versionsnode -v, npm -v
Installing DependenciesInstall project dependencies with npmnpm install --no-audit
pipeline {
    agent any

    tools {
        nodejs 'nodejs-22-6-0'
    }

    stages {
        stage('VM Node Version') {
            steps {
                sh 'node -v'
                sh 'npm -v'
            }
        }

        stage('Installing Dependencies') {
            steps {
                sh 'npm install --no-audit'
            }
        }
    }
}
Using --no-audit skips vulnerability checks. Consider running npm audit or integrating a security scanner in your CI/CD pipeline for production workloads.

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Run the Pipeline

  1. Commit and push your Jenkinsfile changes.
  2. In Blue Ocean, watch the pipeline execute both stages in sequence.

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Sample Output for “Installing Dependencies”

+ npm install --no-audit
added 365 packages in 5s
44 packages are looking for funding
run 'npm fund' for details

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Verify the Workspace

After the build completes, navigate to Workspaces in the Jenkins UI. You should see a node_modules directory with all installed dependencies:
The image shows a Jenkins workspace interface displaying a list of node modules in a project directory. The interface includes navigation options like "Dashboard," "Console Output," and "Open Blue Ocean."

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