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Conditions that need to be prepared in advance
Maven environment
Docker environment
JDK environment (Centos8 comes with JDK environment removed, reinstalled JDK)
Step1: Install the Jenkins image
Use docker to query the jenkins image
docker search jenkins
We choose to download the second one, jenkins/jenkins, download command
docker pull jenkins/jenkins
Use the docker command to view the downloaded Jenkins image
docker images
Step2: docker starts the Jenkins container
Create a mount folder and grant file permissions
#创建挂载文件夹
mkdir -p /home/jenkins_home
#给文件夹授予权限
chmod 777 /home/jenkins_home
Start the Jenkins container
docker run -d -uroot -p 9095:8080 -p 50000:50000 --name jenkins -v /home/jenkins_home:/var/jenkins_home -v /etc/localtime:/etc/localtime jenkins/jenkins
| Order | illustrate |
|---|---|
| -d | Run the container in the background and return the container ID |
| jenkins/jenkins | The name of the image, and the image ID can also be written here |
| -uroot | Map port 8080 in the container to port 9095 of the host, which is the port for accessing jenkins |
| -p 50000:50000 | Map port 50000 in the container to port 50000 on the host |
| –name jenkins | Set the container name to jenkins |
| -v /home/jenkins_home:/var/jenkins_home | :/var/jenkins_home directory is the container jenkins working directory, we mount a directory on the hard disk to this location, so that the original working directory can be used after updating the image |
| -v /etc/localtime:/etc/localtime | Make the container use the same time settings as the server |
| jenkins/jenkins | The name of the image, and the image ID can also be written here |
Check the jenkins log
docker logs jenkins
Step3: Access Jenkins
Enter in the browser: http://server IP address: port/access jenkins, serverIp is the ip of the docker host, and port is the port mapped by the host. mine is:
http://server ip address:9095/
Here we fill in the Jenkins initialization login password in the log just now
Step4: Install the Jenkins plugin
Due to network reasons, the plug-in source needs to be set to domestic, so that the plug-in can be installed. Enter the host directory /home/jenkins_home/, edit the file
hudson.model.UpdateCenter.xml
cd /home/jenkins_home/
cat hudson.model.UpdateCenter.xml
Just replace it with a domestic mirror (here we use the official mirror of Tsinghua University)
and change the url content to https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json (official Tsinghua University mirror image)
Finally we restart the Jenkins container
docker restart jenkins
After restarting, select the recommended plug-in installation
After the plug-in installation is complete, the Jenkins build is over~
