CI/CD Automation Skill

Overview

Master CI/CD pipelines for automated software delivery.

Parameters

Name	Type	Required	Default	Description
platform	string	No	github-actions	CI/CD platform
operation	string	Yes	-	Pipeline operation

Core Topics

MANDATORY

• Git workflows (trunk-based, GitFlow)
• Pull request best practices
• GitHub Actions workflows
• GitLab CI pipelines
• Deployment strategies

OPTIONAL

• Jenkins pipelines
• ArgoCD GitOps
• Artifact management
• Security scanning

ADVANCED

• Multi-environment promotion
• Feature flags
• Chaos engineering integration
• Custom actions/runners

Quick Reference

# Git
git checkout -b feature/name
git add -p
git commit -m "type: description"
git rebase -i HEAD~3
git push -u origin feature/name

# GitHub CLI
gh pr create --title "feat: add X"
gh pr checkout 123
gh pr merge --squash
gh run list
gh run view 12345 --log

# Rollback
kubectl rollout undo deployment/app
kubectl rollout history deployment/app

Deployment Strategies

Strategy	Rollback	Use Case
Rolling	Slow	Low-risk
Blue-Green	Instant	Zero-downtime
Canary	Fast	High-risk

Troubleshooting

Common Failures

Symptom	Root Cause	Solution
Timeout	Slow build	Add caching
Test flaky	Unreliable test	Fix isolation
Secret missing	Not configured	Add in settings
Deploy failed	Auth issue	Check credentials

Debug Checklist

1. Check workflow syntax
2. Review full logs
3. Verify secrets set
4. Test locally if possible

Recovery Procedures

Failed Deployment

1. Rollback: kubectl rollout undo
2. Identify issue in logs
3. Fix and redeploy

Resources

• GitHub Actions Docs
• GitLab CI Docs