Setting up Jenkins

Let's use Jenkins as the CI tool for our application. We first need to set up a local Jenkins instance: 

If you are already familiar with Docker, you can use the official Docker image provided by Jenkins and can skip the following steps.  The Docker image will be automatically generated by JHipster when creating the CD/CI pipeline in the following section. Visit http://www.jhipster.tech/setting-up-ci-jenkins2/ for more details.

1. Let's download the latest binary from http://mirrors.jenkins.io/war-stable/latest/jenkins.war.
2. Now open a terminal and navigate to the folder where the file was downloaded.
3. Execute java -jar jenkins.war --httpPort=8989 from the terminal to start a Jenkins server. The port should not conflict with our application port. The default password will be printed on the console. Make a copy of it.
4. Navigate to https://localhost:8989 and paste the password copied before.
5. Click on the Install suggested plugins button on the next page and wait for the plugin installation to complete.
6. Create an admin user on the next page and complete.

Now that our Jenkins server is ready, let's go ahead and create a Jenkins pipeline for our project.