A brief analysis of whether GitLab's CI will be installed together

In recent years, with the development of cloud computing and DevOps, developers are increasingly inclined to use CI/CD tools for continuous integration, delivery and deployment, improving the quality and delivery speed of applications. As an open source Git warehouse management system, GitLab not only provides source code management functions, but also has a built-in CI/CD tool chain that can be used to automatically build, test and deploy applications. So, will GitLab's CI be installed together? Let’s take a closer look.

First of all, we need to understand the architecture of GitLab. GitLab consists of two main parts: GitLab Application Service and GitLab Runner. GitLab application services include core services such as web servers, code warehouses, and databases, and are responsible for managing Git warehouses, user accounts, access control, and managing CI/CD pipelines. GitLab Runner is the executor of GitLab. It is a lightweight agent that is responsible for executing build, test and deployment tasks in the CI/CD pipeline and returning the execution results to the GitLab server. GitLab Runner can run on the GitLab server or on an external server, which can relieve the pressure on GitLab application services and improve the concurrent execution of tasks.

When installing GitLab, the two components of GitLab application service and GitLab Runner will be installed by default. Users can create CI/CD pipelines on the GitLab application service page, and then perform build, test, and deployment tasks on local or external servers through GitLab Runner.

If you need to install multiple GitLab Runners, you can use "GitLab Runner Registrar" to register the Runners into the GitLab application service and obtain permission to run tasks. This architecture can help developers better implement continuous integration and delivery, improve work efficiency and code quality.

In addition, users can also choose to install their own Runner for better control of the CI/CD pipeline. In this case, the user needs to manually install and configure the Runner and connect it to the GitLab App Service. This installation method requires a certain level of technical skills and management experience, but allows for better customization and management of CI/CD pipelines.

In general, GitLab's CI/CD tool chain can be installed together, but it needs to be adjusted and configured according to actual needs. The flexibility of GitLab Runner allows users to choose the most suitable installation method and execution method according to different scenarios and applications. If you are not sure how to install and configure GitLab's CI/CD tool chain, you can refer to GitLab official documentation or ask relevant professionals for help and advice.

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