How to do continuous integration and continuous delivery in PHP?

With the rapid development of software development, continuous integration and continuous delivery have become indispensable technologies in modern software development. As a process and culture, continuous integration and continuous delivery can help development teams develop and deploy software faster and more efficiently, while also ensuring the quality and stability of the software. In this article, we will introduce how to use PHP for continuous integration and continuous delivery.

1. Continuous integration

Continuous integration is a software development process that usually includes the following steps:

1.1. Preparatory work

Before starting continuous integration, we need to make the following preparations:

1. Ensure that the PHP environment has been configured. We can use web servers such as Apache and Nginx to build a PHP environment.
2. Install Git, Jenkins and other tools. Git can help us manage version control, and Jenkins can help us automate the build and testing process.

1.2. Configuring Git

When using Git for version control, we need to create a warehouse for each project and assign an account and password to each developer. We can also use third-party platforms such as GitLab and GitHub to manage our warehouses.

1.3. Create Jenkins tasks

In Jenkins, we can create a series of tasks to automate the building, testing and deployment of our PHP applications.

Build task: We can use Jenkins' "Freestyle project" template to create a build task, which can pull the source code through Git and perform build and packaging operations. The built results can be automatically published to the designated server.

Test task: We can use Jenkins’ “PHPUnit plugin” to run PHPUnit tests, PHPUnit is a popular PHP testing framework.

Deployment tasks: We can use Jenkins' "SSH plugin" to automatically deploy the built application to the specified server.

2. Continuous delivery

Continuous delivery is a process that usually includes the following steps:

2.1. Preliminary work

At the beginning Before continuous delivery, we need to make the following preparations:

1. Ensure that the PHP environment has been configured. We can use web servers such as Apache and Nginx to build a PHP environment.
2. Install Git, Jenkins and other tools. Git can help us manage version control, and Jenkins can help us automate the build and testing process.
3. Install tools that can be used for continuous delivery, such as Ansible, Docker, etc. Ansible is a tool that can be used to automate the deployment and configuration of software, and Docker is a popular containerization platform.

2.2. Configuring Jenkins

When using Jenkins for continuous delivery, we need to create a complete, repeatable delivery process by modifying the Jenkinsfile or using the Pipeline plugin. We need to define the following steps:

1. Compile and package the source code. We can use package management tools such as Composer to handle dependencies.
2. Test code. We can use testing frameworks such as PHPUnit to run unit tests, functional tests, etc.
3. Package image. We can use containerization platforms such as Docker to package application images.
4. Deploy to the specified server. We can use automated deployment tools such as Ansible to deploy applications to designated servers.
5. Run the benchmark. We can use performance testing tools such as ApacheBench and Siege to test the performance of the application in the production environment.
6. Monitoring and log processing. We can use log processing tools such as ELK to collect and process application log information.

Conclusion:

By using PHP for continuous integration and continuous delivery, we can develop and deploy PHP applications faster and more efficiently. When doing continuous integration and continuous delivery, we need to prepare the project, configure Git, Jenkins and other tools, and use third-party libraries and tools to manage dependencies, automate the build and test process. Finally, we can use Ansible, Docker and other tools to deploy the application to the specified server.

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