Build tools (Maven, Gradle, npm) in Jenkins - Mini Project: Build & Apply

Automate a Simple Build with Jenkins Using Maven

📖 Scenario: You are a developer who wants to automate building a Java project using Jenkins and Maven. Jenkins will run the Maven build command to compile the project and run tests automatically whenever you trigger the build.

🎯 Goal: Build a Jenkins pipeline script that runs a Maven build command to compile and test a Java project.

📋 What You'll Learn

Create a Jenkins pipeline script with a pipeline block

Define an agent to run the build on any available node

Add a stage called Build that runs the Maven command mvn clean install

Print the build output to the console

💡 Why This Matters

🌍 Real World

Automating builds with Jenkins and Maven is common in software development to ensure code compiles and tests run automatically.

💼 Career

Knowing how to write Jenkins pipelines and use build tools like Maven is essential for DevOps engineers and developers working in continuous integration.

1

Create the Jenkins pipeline skeleton

Write a Jenkins pipeline script starting with pipeline { and define an agent any to run the build on any available node.

Jenkins

pipeline {
    agent any
    // Your code here
}

Need a hint?

Start your Jenkinsfile with pipeline { and add agent any inside it.

2

Add a Build stage

Inside the pipeline block, add a stages block with one stage named Build.

Jenkins

pipeline {
    agent any
    stages {
        // Your code here
    }
}

Need a hint?

Use stages {} and inside it add stage('Build') { steps { }}.

3

Add Maven build command

Inside the steps block of the Build stage, add a shell command to run mvn clean install using sh.

Jenkins

pipeline {
    agent any
    stages {
        stage('Build') {
            steps {
                // Your code here
            }
        }
    }
}

Need a hint?

Use sh 'mvn clean install' inside the steps block to run the Maven build.

4

Print build output

Add a post block inside the Build stage to print 'Build completed' using echo after the build finishes.

Jenkins

pipeline {
    agent any
    stages {
        stage('Build') {
            steps {
                sh 'mvn clean install'
            }
            // Your code here
        }
    }
}

Need a hint?

Use a post { always { echo 'Build completed' } } block inside the Build stage.