mmshin / jenkins-pipeline

Jenkins Pipeline for CI/CD

Jenkins Pipeline for CI/CD

Prerequisites

• Jenkins
• docker
• docker-compose

Getting Started

• Download and install Jenkins.
• In Jenkins, make sure to install docker and docker-compose.

Jenkins Pipeline

• From the Jenkin's Dashboard, select New Item.

  • Enter an Item Name and select Pipeline
  • Select OK

  

• Click on the Pipeline Tab

  • Definition: Pipeline script from SCM
  • SCM: Git
  • Repositories: Input the repository URL and credentials [select None if it's a public repository]
  • Branches to build: For this example, I used */master. You can also create a parameterized project.
  • Script Path: Jenkinsfile

• Click SAVE.

  

Jenkins Pipeline Stage View

• Cleanup Workspace
  • Cleanup workspace before building the project.
  • Delete exited containers.
• Checkout
  • Checkout the branch to build
• Build
• Unit Test
• Deploy
  • Wait for the approver's signal before executing this stage. Otherwise, abort pipeline.

Jenkins Pipeline Approval Stage

docker-compose.yml

Do not forget to update MYSQL's root password.

...
  service-stock-mysql:
    image: mysql:5.7
    environment:
      MYSQL_ROOT_PASSWORD: <YOUR_DB_PASSWORD>
...

Adjust the number of replica accordingly.

...
  php:
    image: custom-php:latest
    deploy:
      replicas: 2
    volumes:
      - ./:/var/www/
...