Spring PetClinic Sample Application with Dockerfile and Jenkinsfile

Configurations validated with

ubuntu 18.04.02

• Openjdk 8 JRE - 8u312 x64
• docker CE runtime - 20.10.12
• Jenkins WAR 2.319.1

macos BigSur 11.6.2

• OpenJDK 8 JRE - 8u311 x64
• docker CE runtime 20.10.11
• Jenkins 2.319.1

#Prerequisites to compile run the pipeline in Jenkins

docker installation

(Ubuntu) installation instructions are in https://docs.docker.com/engine/install/ubuntu/ validate with docker ps && docker --version

java openjdk-8-jre installation

(Ubuntu) apt install openjdk-8-jre -y

Jenkins installation

(Ubuntu) Installation file download through https://www.jenkins.io/download/

Install Docker & Docker pipeline plugins in Jenkins

After configuring Jenkins, using the default plugins, we need to install Docker & Docker pipeline plugin Manage Jenkins > Manage Plugins > slide to "Available" and locate Docker, Docker pipeline and installed them. a reboot to jenkins might be required

Giving permissions to jenkins account to run docker containers on node

on ubuntu we need to give permissions to jenkins service account to connect to docker.sock with a slight variation of https://docs.docker.com/engine/install/linux-postinstall/

sudo groupadd docker
sudo usermod -aG docker jenkins
sudo systemctl restart jenkins

Configure pipeline on Jenkins

configure credentials for Docker repo on Artifactory

Manage Jenkins > Manage Credentials (under Security) > Select Jenkins (default store) > select "Global Credentials (unrestricted) > Add Credentials (side menu):

• Kind : Username and Password
• Scope : Global
• ID: rt-yanivnorman-jfrog-io-docker
• Username: [email protected]
• Password: Aa123456!

create a new pipeline

New Item

• Name: sprint-petclinic-ynorman
• Type: Pipeline

Go to Pipeline section and configure:

• Defnition: Pipeline script from SCM
• SCM: Git
• Repository URL : https://github.com/yanivno/spring-petclinic.git
• Branches to build - Branch Specifier : */main
• Script Path : Jenkinsfile

Save and Build Now to run the pipeline in Jenkins

Running the application

pre-compiled image (publicly available):

docker run -p 5000:8080 yanivnorman.jfrog.io/default-docker-local/petclinic:57

browse to http://localhost:5000