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

• Check workflow syntax

• Review full logs

• Verify secrets set

• Test locally if possible

Recovery Procedures

Failed Deployment

• Rollback: kubectl rollout undo

• Identify issue in logs

• Fix and redeploy

Resources

• GitHub Actions Docs

• GitLab CI Docs