CICD with Jenkins

Jenkinsfile

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+pipeline {
+    agent any
+
+    stages {
+        stage('Build') {
+            steps {
+                echo 'Building something..'
+            }
+        }
+        stage('Test') {
+            steps {
+                echo 'Testing something..'
+            }
+        }
+        stage('Deploy') {
+            steps {
+                echo 'Deploying something..'
+            }
+        }
+    }
+}

jenkins/README.md

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+# Official Jenkins Docker image
+
+[![Docker Stars](https://img.shields.io/docker/stars/jenkins/jenkins.svg)](https://hub.docker.com/r/jenkins/jenkins/)
+[![Docker Pulls](https://img.shields.io/docker/pulls/jenkins/jenkins.svg)](https://hub.docker.com/r/jenkins/jenkins/)
+[![Join the chat at https://gitter.im/jenkinsci/docker](https://badges.gitter.im/jenkinsci/docker.svg)](https://gitter.im/jenkinsci/docker?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
+The Jenkins Continuous Integration and Delivery server [available on Docker Hub](https://hub.docker.com/r/jenkins/jenkins).
+
+This is a fully functional Jenkins server.
+[https://jenkins.io/](https://jenkins.io/).
+
+<img src="https://jenkins.io/sites/default/files/jenkins_logo.png"/>
+
+# Usage
+
+```
+docker run -p 8080:8080 -p 50000:50000 --restart=on-failure jenkins/jenkins:lts-jdk17
+```
+
+NOTE: read the section [_Connecting agents_](#connecting-agents) below for the role of the `50000` port mapping.
+
+This will store the workspace in `/var/jenkins_home`.
+All Jenkins data lives in there - including plugins and configuration.
+You will probably want to make that an explicit volume so you can manage it and attach to another container for upgrades :
+
+```
+docker run -p 8080:8080 -p 50000:50000 --restart=on-failure -v jenkins_home:/var/jenkins_home jenkins/jenkins:lts-jdk17
+```
+
+This will automatically create a 'jenkins_home' [docker volume](https://docs.docker.com/storage/volumes/) on the host machine.
+Docker volumes retain their content even when the container is stopped, started, or deleted.
+
+NOTE: Avoid using a [bind mount](https://docs.docker.com/storage/bind-mounts/) from a folder on the host machine into `/var/jenkins_home`, as this might result in file permission issues (the user used inside the container might not have rights to the folder on the host machine).
+If you _really_ need to bind mount jenkins_home, ensure that the directory on the host is accessible by the jenkins user inside the container (jenkins user - uid 1000) or use `-u some_other_user` parameter with `docker run`.
+
+```
+docker run -d -v jenkins_home:/var/jenkins_home -p 8080:8080 -p 50000:50000 --restart=on-failure jenkins/jenkins:lts-jdk17
+```
+
+This will run Jenkins in detached mode with port forwarding and volume added. You can access logs with command 'docker logs CONTAINER_ID' in order to check first login token. ID of container will be returned from output of command above.

jenkins/docker-compose.yaml

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+version: "3.7"
+services:
+  jenkins:
+    image: jenkins/jenkins:lts
+    privileged: true
+    user: root
+    ports:
+      - 8081:8080
+      - 50000:50000
+    container_name: jenkins
+    volumes:
+      - ./run_env/jenkins_home:/var/jenkins_home
+      - /var/run/docker.sock:/var/run/docker.sock
+      - /usr/bin/docker:/usr/bin/docker
+      - /usr/local/bin/docker-compose:/usr/bin/docker-compose