feat(posts): create 2024-08-05-jenkins-docker-install-centos-9

_posts/jenkins/2024-08-05-jenkins-docker-install-centos-9.md

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+---
+title: CentOS 9에 Docker 이미지로 Jenkins 설치
+author: dejavuhyo
+date: 2024-08-05 09:00:00 +0900
+categories: [DevOps, Jenkins]
+tags: [centos-jenkins, jenkins-docker, jenkins-install, 젠킨스-도커, 젠킨스-설치]
+---
+
+## 1. Jenkins Docker 이미지 pull
+
+```shell
+$ docker pull jenkins/jenkins:lts
+```
+
+## 2. Docker 사용
+
+### 1) 이미지 실행
+
+```shell
+$ 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
+
+```yml
+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
+
+```shell
+$ docker-compose up -d
+```
+
+## 4. 접속
+
+```text
+http://127.0.0.1:8080
+```
+
+## 5. 초기 Administrator password 확인
+
+### 1) jenkins 컨테이너 접속
+
+```shell
+$ docker exec -it jenkins /bin/bash
+```
+
+### 2) Administrator password 확인
+
+```shell
+root@12a53e47f651:/# cat /var/jenkins_home/secrets/initialAdminPassword
+```
+
+## 6. Permission denied 오류
+
+* 에러 메시지
+
+```text
+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
+
+```shell
+$ chown -R 1000:1000 /var/jenkins_home/
+```
+
+## [출처 및 참고]
+* [https://github.com/jenkinsci/docker/blob/master/README.md](https://github.com/jenkinsci/docker/blob/master/README.md)
+* [https://dejavuhyo.github.io/posts/install-jenkins-with-docker/](https://dejavuhyo.github.io/posts/install-jenkins-with-docker/)