Using Jenkins Pipeline for Continuous Integration and Deployment of PHP Applications

Preparation

Before starting, ensure the following preparations are completed:

Install and configure Jenkins according to the official documentation.

Install and configure required plugins: Pipeline, Git, PHP, and Deploy to container.

Configure a Git repository that hosts the PHP source code and verify access permissions.

Creating Jenkins Pipeline

1. Open Jenkins management page and create a new Pipeline project.

2. In the Pipeline configuration, set “Definition” to “Pipeline script from SCM”.

3. Choose Git as the SCM and provide the repository URL.

4. Specify the path to the Jenkinsfile in the “Script Path” field.

5. Save and apply the changes.

Writing Jenkinsfile

The Jenkinsfile defines the pipeline stages and steps. Below is a simple example:

pipeline {
    agent any

    stages {
        stage('Checkout') {
            steps {
                git 'https://github.com/example/repo.git'
            }
        }

        stage('Build') {
            steps {
                sh 'composer install'
            }
        }

        stage('Test') {
            steps {
                sh 'vendor/bin/phpunit'
            }
        }

        stage('Deploy') {
            steps {
                deploy adapters: [glassfish(credentialsId: 'credential-id', containerId: 'container-id', contextPath: '', war: '**/*.war')]
            }
        }
    }
}

The example defines four stages: Checkout, Build, Test, and Deploy, each containing the commands needed to pull code, install dependencies, run tests, and deploy the built artifact.

Running Jenkins Pipeline

After writing the Jenkinsfile, trigger the pipeline by clicking “Build Now” on the pipeline’s configuration page. Jenkins will execute the defined stages sequentially, and you can monitor each step in the build logs. Upon successful completion, the PHP application is packaged and deployed to the target server, ready for verification via its URL.

Conclusion

Using Jenkins Pipeline streamlines and accelerates the continuous packaging and deployment process for PHP applications. By defining a pipeline script and leveraging appropriate plugins, you can automate code checkout, dependency installation, testing, and deployment, thereby improving development efficiency and software quality.

We hope this article helps you understand how to use Jenkins Pipeline for PHP CI/CD and wish you a smooth development and deployment experience!

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