Practical notes on installing Jenkins with docker-compose

cd /usr/local/docker/
mkdir jenkins-docker
cd jenkins-docker

vi Dockerfile
# The following is the file content FROM jenkins/jenkins:lts

USER root
RUN mkdir -p /usr/local/ && \
	cd /usr/local/ && \
	curl -fsSL https://mirror.bit.edu.cn/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz > /usr/local/apache-maven-3.6.3-bin.tar.gz && \
	tar xzf /usr/local/apache-maven-3.6.3-bin.tar.gz -C /usr/local/ && \
	rm -rf /usr/local/apache-maven-3.6.3-bin.tar.gz && \
	ln -s /usr/local/apache-maven-3.6.3/bin/mvn /bin/mvn && \
	ln -s /usr/local/apache-maven-3.6.3/bin/mvnyjp /bin/mvnyjp && \
	export PATH=/usr/local/apache-maven-3.6.3/bin:$PATH

USER jenkins

docker build -t jenkins-jiacs:lts .

cat /etc/group | grep docker

# [root@localhost jenkins-docker]# cat /etc/group | grep docker
# docker:x:994:
# My value is 994, depending on the actual value

# Before starting the container, create the /usr/local/docker/jenkins-docker/data folder and grant permissions # /usr/local/docker/jenkins-docker/config/settings.xml This file is provided by itself (private server and other information can be customized)
mkdir data
chmod -R 777 data

docker run -d -p 8080:8080 -p 50000:50000 \
    -v /usr/local/docker/jenkins-docker/data:/var/jenkins_home \
    -v /etc/localtime:/etc/localtime:ro \
    -v /var/run/docker.sock:/var/run/docker.sock \
    -v /etc/docker:/etc/docker \
    -v /usr/bin/docker:/usr/bin/docker \
    -v /usr/local/bin/docker-compose:/usr/local/bin/docker-compose \
    -v /usr/local/docker/jenkins-docker/config/settings.xml:/usr/local/apache-maven-3.6.3/conf/settings.xml \
    --group-add=994 \
    --name my-jenkins \
    jenkins-jiacs:lts
# illustrate:
# 1. -v /usr/local/docker/jenkins-docker/data:/var/jenkins_home =》Persist Jenkins data# 2. -v /etc/localtime:/etc/localtime:ro =》Set the Jenkins container time to be consistent with the host# 3. -v /etc/docker:/etc/docker =》The docker used in the Jenkins container is the docker installed on the host, ensuring that the service deployed by Jenkins is started in the host# 4. -v /usr/local/bin/docker-compose:/usr/local/bin/docker-compose If the host has docker-compose installed, you can add the data volume if the Jenkins container needs to use it# -v /usr/local/docker/jenkins-docker/config/settings.xml:/usr/local/apache-maven-3.6.3/conf/settings.xml
# --group-add=994 Set the user group of the started container to the user group of docker in the host machine, ensuring that the Jenkins container has the authority to operate the docker command of the host machine

cd /usr/local/docker/jenkins-docker
vi jenkins-docker.yaml

version: '2' # Do not modify the version number, some versions do not support the group_add parameter services:
  Jenkins:
    image: 'jenkins-jiacs:lts'
    container_name: my-jenkins
    # restart: always
    ports:
      - '8080:8080'
      - '50000:50000'
    group_add:
      - 994
    volumes:
      - ./data:/var/jenkins_home
      - /etc/localtime:/etc/localtime:ro
      - /var/run/docker.sock:/var/run/docker.sock
      - /etc/docker:/etc/docker
      - /usr/bin/docker:/usr/bin/docker
      - /usr/local/bin/docker-compose:/usr/local/bin/docker-compose
      - ./config/settings.xml:/usr/local/apache-maven-3.6.3/conf/settings.xml

docker-compose -f jenkins-docker.yaml up -d

docker ps 

docker exec -it 0d8b70ba5cec bash
# View the Jenkins initial password (executed in the container)
cat /var/jenkins_home/secrets/initialAdminPassword

System.setProperty('org.apache.commons.jelly.tags.fmt.timeZone', 'Asia/Shanghai')