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Jenkins Pipeline from GitHub
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Azure Solution for SmartBuildings
RAG
Make it variables and reusable
Scaling pipeline to accept Dynamic inputs
Scaling with branches
Configure Jenkins to use a Jenkinsfile stored in a GitHub repository, enabling pipelines to be version-controlled, automatically updated, and executed directly from source code.
The purpose of this part is to introduce Pipeline as Code using GitHub, which is a core DevOps practice.
By the end of this setup, you will:
Store Jenkins pipeline logic inside GitHub
Configure Jenkins to pull pipeline code from SCM
Automatically detect changes in the repository
Build pipelines that are version-controlled and reusable
This approach ensures that your CI/CD pipelines are:
Traceable (tracked via Git commits)
Collaborative (teams can contribute)
Consistent (same pipeline across environments)
Before starting this part, ensure you have:
Ready to use Host and the directory structure to run Dockerfiles and docker-compose.yml (Refer to Part 1)
A GitHub account
Access to a demo-app repository (fork or create)
maven-github-pipeline
Definition: Pipeline script from SCM
SCM: Git
Repository URL : Forked repo HTTP URL
Branch Specifier (blank for 'any'): */main
Script Path: jenkins/Jenkinsfile
Build now
This is not cloning the repo again; instead, it's checking if there are any latest commits and changes
In this part, you successfully moved your Jenkins pipeline to GitHub, adopting the powerful concept of Pipeline as Code.
You have:
Connected Jenkins to a GitHub repository
Configured pipeline jobs to fetch the Jenkinsfile from SCM
Executed builds directly from the repository code
Observed how Jenkins detects changes without re-cloning
Introduced version-controlled CI/CD workflows
This is a critical step toward modern DevOps practices, where pipelines are no longer managed manually in Jenkins but are fully integrated with source control systems.
With this setup, your pipeline becomes:
Scalable
Maintainable
Production-ready
⬅️ Previous Article: Part 6 Running Ansible from Jenkins
➡️ Next Article: Part 8 Multibranch Pipelines
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