CentOS 9에 Docker 이미지로 Jenkins 설치

1. Jenkins Docker 이미지 pull

$ docker pull jenkins/jenkins:lts

2. Docker 사용

1) 이미지 실행

$ docker run --name jenkins -p 8080:8080 -p 50000:50000 --restart=on-failure -v jenkins_home:/var/jenkins_home jenkins/jenkins:lts

3. Docker Compose 사용

1) docker-compose.yml 생성

version: '3.9'
services:
  jenkins:
    image: jenkins/jenkins:lts
    privileged: true
    container_name: jenkins
    user: root
    ports:
      - "8080:8080"
      - "50000:50000"
    volumes:
      - ./jenkins:/var/jenkins_home
      - /var/run/docker.sock:/var/run/docker.sock

2) docker-compose 실행

$ docker-compose up -d

4. 접속

http://127.0.0.1:8080

5. 초기 Administrator password 확인

1) jenkins 컨테이너 접속

$ docker exec -it jenkins /bin/bash

2) Administrator password 확인

root@12a53e47f651:/# cat /var/jenkins_home/secrets/initialAdminPassword

6. Permission denied 오류

• 에러 메시지

touch: cannot touch '/var/jenkins_home/copy_reference_file.log': Permission denied
Can not write to /var/jenkins_home/copy_reference_file.log. Wrong volume permissions?

• 해결 방법

$ chown -R 1000:1000 /var/jenkins_home/

[출처 및 참고]

• https://github.com/jenkinsci/docker/blob/master/README.md
• https://dejavuhyo.github.io/posts/install-jenkins-with-docker/