GitLab CI/CD Complete Guide
End-to-end DevOps implementation using GitLab's built-in CI/CD, container registry, and security features. From pipelines and runners to deployment and monitoring — everything you need.
GitLab CI/CD Fundamentals
start here: no prior GitLab CI/CD knowledge needed
Pipelines & Configuration
define and structure your CI/CD pipelines
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.gitlab-ci.yml Explained
stages, jobs, scripts, rules, variables, and pipeline structure
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Pipeline Stages & Jobs
stage ordering, job parallelization, dependencies, and needs (DAG)
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Variables & Secrets
CI/CD variables, masked variables, protected variables, and file variables
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Rules & Conditional Pipelines
rules, only/except, workflow rules, and branch-specific pipelines
GitLab Runners
agents that execute your pipeline jobs
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GitLab Runners Overview
shared, group, and project runners — installation and registration
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Runner Executors
shell, docker, docker-machine, kubernetes, and custom executors
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Kubernetes Runner
running GitLab CI/CD jobs in Kubernetes pods with auto-scaling
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Runner Security
protected runners, tags, isolation, and best practices
Container Registry
store and distribute Docker images
Advanced Pipeline Features
take your pipelines to the next level
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Caching & Artifacts
caching dependencies, artifacts, and passing data between jobs
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Matrix & Parallel Jobs
parallel execution, matrix builds, and dynamic job generation
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Include & Extends
modular pipelines, reusable templates, and configuration reuse
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Environments & Deployments
environment tracking, review apps, and deployment history
Security & Compliance
secure your CI/CD pipelines
Kubernetes & Cloud Integration
deploy to Kubernetes and cloud platforms
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Deploying to Kubernetes
kubectl, helm, and GitLab Kubernetes agent integration
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GitLab + Helm
packaging and deploying Helm charts with GitLab CI/CD
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GitLab + Terraform
infrastructure as code, state management, and GitLab-managed Terraform
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Cloud Deployments
AWS, GCP, Azure deployment patterns with GitLab CI/CD
GitLab DevOps Platform
complete DevOps lifecycle with GitLab
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Auto DevOps
pre-configured CI/CD templates for common application types
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GitOps with GitLab
GitOps workflows, ArgoCD integration, and GitOps best practices
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Feature Flags
feature flag management and progressive delivery
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Merge Request Pipelines
merge request pipelines, review apps, and CI/CD for MRs
Best Practices & Optimization
production-grade CI/CD pipelines
Troubleshooting
solve common GitLab CI/CD issues
Interview & Real-World Scenarios
ace your GitLab CI/CD interview