Learn GITLAB-CI with Real Code Examples
Updated Nov 27, 2025
Learning Path
Learn GitLab basics and repository management
Understand CI/CD concepts
Write simple `.gitlab-ci.yml` pipelines
Add multiple stages and jobs
Integrate runners, Docker, and deployment scripts
Skill Improvement Plan
Week 1: Create basic pipelines for build/test
Week 2: Add caching and artifacts
Week 3: Integrate Docker and Kubernetes
Week 4: Implement multi-environment deployment
Week 5: Explore pipeline triggers, schedules, and advanced features
Interview Questions
What is GitLab CI/CD and why is it used?
Explain the structure of `.gitlab-ci.yml`.
What are runners and how do they work?
How do you manage variables and secrets?
How can pipelines be optimized for speed and reliability?
Cheat Sheet
gitlab-runner register
gitlab-runner list
gitlab-ci lint
git push to trigger pipeline
Use artifacts and cache to share files between jobs
Books
GitLab CI/CD Pipelines by Example
Learning GitLab CI/CD
Mastering GitLab CI/CD
GitLab CI/CD Quick Start Guide
Practical GitLab CI/CD
Tutorials
Getting started with GitLab CI/CD
Building pipelines for a Python project
Deploying Docker images via GitLab CI
Setting up runners for pipeline execution
Using caching, artifacts, and parallel jobs
Official Docs
https://docs.gitlab.com/ee/ci/
GitLab Runner documentation
CI/CD YAML reference
Auto DevOps documentation
GitLab CI/CD API Reference
Community Links
https://forum.gitlab.com/
Stack Overflow GitLab-CI tag
Reddit r/gitlab
GitLab Slack channels
GitLab GitHub repository
Community Support
GitLab Forum
GitLab Slack channels
Stack Overflow GitLab-CI tag
Reddit r/gitlab
GitLab GitHub repositories and issue tracker