Detailed explanation of how to use Jenkins and Git to implement automated deployment

Jenkins is an open source automated deployment tool that can automate a series of operations such as building, testing, and deploying code through configuration. Git is a popular version control tool that can manage historical change records of code. In the field of software development, Jenkins and Git have become indispensable tools. This article will introduce how to use Jenkins and Git to implement automated deployment.

1. Why automated deployment is needed

In the software development process, it generally involves three links: development, testing and deployment. These three links require repetitive operations. If done manually, a lot of time and energy will be wasted. Through automated deployment, the time and cost of these operations can be greatly reduced. In addition, automated deployment also has the following benefits:

1. It can avoid human errors, such as entering wrong commands.

2. It can improve publishing efficiency and quickly respond to user needs.

3. It can reduce release risks and improve stability.

4. Version rollback can be achieved. When a problem occurs, it can be quickly rolled back to the previous version.

2. Basic principles of Jenkins

Jenkins is an open source automated deployment tool. It can realize automated construction, testing, deployment and other operations by adding plug-ins. The basic principles of Jenkins are as follows:

1. Trigger: Jenkins tasks can be triggered by time, code changes, etc.

2. Building: Building refers to compiling and packaging source code to generate an executable file.

3. Testing: Testing refers to testing executable files to ensure software quality.

4. Deployment: Deployment refers to running the executable file that passes the test in the production environment.

5. Report: Report refers to displaying test results to users so that users can judge the quality of the software.

3. Basic principles of Git

Git is a popular distributed version control tool. It can manage the historical change records of the code, including code modification, addition, deletion and other operations. The basic principles of Git are as follows:

1. Warehouse: refers to the location where code is stored, which can be a local or remote server.

2. Branch: refers to the branch of the code, such as the main branch and the development branch.

3. Submission: refers to saving code modifications to the warehouse. Each submission will generate a unique ID.

4. Merge: refers to merging codes from different branches together.

5. Pull: refers to getting the latest code from the warehouse.

4. Jenkins integrates Git to achieve automated deployment

Jenkins can integrate Git through configuration to achieve automated deployment. The following are the implementation steps:

1. Install Jenkins: You can download the latest version of Jenkins from the Jenkins official website.

2. Install the Git plug-in: In Jenkins, select "System Management"->"Plug-in Management"->"Optional Plug-ins" to search for the Git plug-in, and then install it.

3. Create a Jenkins project: Click "New Project" and select "Build a free-style software project", as shown in the figure below.

4. Configure Git warehouse: Enter the project configuration interface and configure the Git warehouse address and branch information in "Source Code Management", as shown in the figure below.

5. Configure build: Click "Add build step" to configure build operations such as compilation and packaging, as shown in the figure below.

6. Configure deployment: Click "Add post-build operation" to configure the built code to be deployed to the production environment, as shown in the figure below.

7. Add trigger: Click "Advanced Project Settings" to configure the trigger, as shown in the figure below.

Through the above steps, you can integrate Jenkins and Git to achieve automated deployment.

5. Summary

Jenkins and Git are two essential tools for software development. Their integration can realize automated deployment and improve software development efficiency and stability. This article introduces the basic principles of Jenkins and Git and how to integrate Git through Jenkins to achieve automated deployment. Hope this article is helpful to readers.

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