Use Deployer to implement continuous delivery and deployment of PHP projects

Use Deployer to achieve continuous delivery and deployment of PHP projects

With the rapid development of the Internet and the increasing complexity of business, many companies and teams are paying more and more attention to the continuous delivery and deployment of software projects. The benefits of continuous delivery and deployment are obvious. Not only can new features, bug fixes and other changes be quickly pushed to the production environment, but it can also reduce the risk of manual operations in the deployment process. In PHP projects, to achieve continuous delivery and deployment, you can use Deployer, an excellent tool.

Deployer is an open source tool written in PHP. It provides simple and powerful functions to help us achieve automated deployment and continuous delivery of projects. Below we will introduce how to use Deployer to achieve continuous delivery and deployment of PHP projects.

Install Deployer

First, we need to install Deployer. You can use Composer to install and execute the following command:

composer require deployer/deployer --dev

After the installation is completed, we can find the deploy.php configuration file in the project root directory.

Configure Deployer

Open the deploy.php file, we can see several annotated configuration examples. You can configure it accordingly according to your project needs. The following is a simple configuration example:

namespace Deployer;

require 'recipe/common.php';

// 服务器配置
server('production', 'your_server_ip')
    ->user('your_username')
    ->password('your_password')
    ->set('deploy_path', '/var/www/html');

// 项目配置
set('repository', 'git@github.com:your_username/your_repo.git');
set('keep_releases', 3);

Replace the your_server_ip, your_username, your_password and other information in the above example code with your own actual configuration.

Custom Tasks

Deployer provides a number of built-in tasks that can be enabled or disabled by modifying the deploy.php file. At the same time, tasks can also be customized to meet the special needs of the project. The following is an example of a custom task:

namespace Deployer;

desc('Deploy your project');
task('my_task', function () {
    // 自定义任务逻辑
    run('php artisan migrate');
    run('php artisan cache:clear');
    run('php artisan queue:restart');
});

// 将自定义任务与已有任务关联
after('deploy:symlink', 'my_task');

The above example code defines a custom task named my_task, and after the deploy:symlink task is executed run. You can add your own task logic according to project needs, such as database migration, cache cleaning, etc.

Execute deployment

After the configuration is completed, we can execute the deployment command through the command line. Execute the following command in the project root directory:

dep deploy production

This command will deploy our code to the production server. During the deployment process, Deployer will automatically complete a series of operations, such as pulling the latest code from the code repository, installing dependencies, updating soft links, etc.

Conclusion

By using Deployer, we can easily achieve continuous delivery and deployment of PHP projects. It provides simple and easy-to-use configuration and custom task mechanisms, as well as rich plug-in extensions, which can greatly improve the work efficiency of the development team. Mastering the use of Deployer will enable us to deploy and deliver projects more quickly and improve development efficiency.

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