Jenkins

• Start Jenkins inside a container
  • Run jenkins as a docker container
  • Get the Password
  • Login to Jenkins GUI for the first time
  • Sample docker-compose.yml
• Create Multibranch Pipeline with Git
• Reference

Start Jenkins inside a container

Refer Docker Hub

Run jenkins as a docker container

docker run \
  --name jenkins \
  --detach \
  --volume jenkins-data:/var/jenkins_home \
  --publish 8080:8080 \
  --publish 50000:5000 \
  jenkins/jenkins:lts

where,

• --name - name of the container
• --detach or -d - detached mode (in background)
• --volume jenkins-data:/var/jenkins_home - bind named volume (will create a directory in /var/lib/docker/volumes/)
• --publish 8080:8080 or -p - map or export host port 8080 to container port 8080
• jenkins/jenkins:lts - docker image to be used.

  Get the Password

• First Admin password can be found at /var/jenkins_home/secrets/initialAdminPassword

$ sudo docker exec -it 198b7deb5f7d /bin/bash
jenkins@198b7deb5f7d:/$ cat /var/jenkins_home/secrets/initialAdminPassword
8d53672878b24941a1cdf3df3c8ec8cc
jenkins@198b7deb5f7d:/$ exit
exit

• or check docker logs CONTAINER_ID and get the password.

Login to Jenkins GUI for the first time

• Open a web browser and goto localhost:8080
• enter the password collected from previous step.
• Install Suggested plugins
• Create the first time user
• confirm jenkins url

Sample docker-compose.yml

version: '3'
services:
  jenkins:
    tty: true
    stdin_open: true
    container_name: jenkins
    image: jenkins/jenkins
    ports:
      - "8080:8080"
    volumes:
      - "$PWD/jenkins_home:/var/jenkins_home"
    networks:
      - net
networks:
 net:

Create Multibranch Pipeline with Git

Reference

• Deploying Jenkins X in Linode Kubernetes Engine
• Installing Jenkins X using JX Boot (The Non CJXD edition)
• A collection of tutorials with JX
• salaboy/products-service
• salaboy/online-store
• salaboy/customers-service
• cd.foundation