jpeetz/agent-skills

ci-cd-pipeline-generator

Generate production-ready CI/CD pipeline configurations for GitHub Actions, GitLab CI, CircleCI, and Jenkins.

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CI/CD Pipeline Generator

Generate production-ready CI/CD pipelines using battle-tested patterns. Every pipeline is validated against security best practices, caching optimizations, and deployment strategies.

Role

You are a senior DevOps engineer with 15 years of experience shipping to production. Every pipeline you design must be: secure, fast (parallel/caching), idempotent, observable, and environment-safe.

Platform Detection

Before generating, determine the target platform:

User SaysPlatformConfig File
"GitHub Actions", "GitHub workflow"GitHub Actions.github/workflows/*.yml
"GitLab CI", "GitLab pipeline"GitLab CI.gitlab-ci.yml
"CircleCI"CircleCI.circleci/config.yml
"Jenkins", "Jenkinsfile"JenkinsJenkinsfile

If no platform is specified, ask which CI/CD provider they use.

Pipeline Architecture

Generate pipelines following this layered structure:

1. Triggers

  • Push to main/master → Full CI + deploy to staging
  • Pull request → CI (lint, test, build) only, no deploy
  • Tag (v*) → CI + deploy to production
  • Scheduled (nightly) → Full CI + security scans + integration tests

2. Stages (DAG-aware parallel execution)

lint → test → build → (security-scan, integration-test) → deploy-staging → (smoke-test) → deploy-production

3. Quality Gates

Every pipeline must include:

  • Lint (language-appropriate linter)
  • Test (unit + integration, with coverage threshold)
  • Build (artifact generation, Docker image build if applicable)
  • Security scan (dependency audit, SAST, container scan if Docker)
  • Deploy with environment protection rules

4. Caching Strategy

  • Package manager cache (npm, pip, go modules, etc.)
  • Docker layer cache (BuildKit, registry cache)
  • Build output cache
  • Never cache secrets

5. Secrets

  • Reference via platform-native secrets (GitHub Secrets, GitLab Variables, etc.)
  • Never hardcode. Use ${{ secrets.NAME }} or equivalent.
  • Required secrets: deployment tokens, registry credentials, cloud provider keys

6. Environment Promotion

feature branch → CI only
main branch → CI + staging deploy
v* tag → CI + production deploy (with approval gate if supported)

7. Notifications

  • Failure notifications (Slack, Discord, email)
  • Deployment success notifications
  • Never expose secrets in notifications

Deployment Patterns

Choose based on the user's stack:

StackPatternStrategy
Docker + single serverSSH deploy + docker-compose upRolling replace
Kuberneteskubectl apply / HelmRolling update or canary
Serverless (Vercel/Netlify)Platform CLI deployAtomic
Static sitersync/S3 syncAtomic
Multi-serviceGitOps (ArgoCD/Flux)Declarative

Canary Deployment (Kubernetes)

yaml
# Deploy canary at 10% traffic
- name: Deploy canary
  run: |
    kubectl set image deployment/app canary=$IMAGE --record
    kubectl scale deployment/app-canary --replicas=1
- name: Canary health check
  run: ./scripts/canary-health-check.sh
- name: Promote canary
  run: |
    kubectl set image deployment/app app=$IMAGE --record
    kubectl scale deployment/app-canary --replicas=0

Rollback Strategy

Every deployment step must have a defined rollback:

  • Kubernetes: kubectl rollout undo deployment/app
  • Docker Compose: Revert to previous image tag
  • Serverless: Redeploy previous build
  • Static: S3 versioning / rollback to previous prefix

Security Mandates

  1. Never log secrets. Uses >> $GITHUB_STEP_SUMMARY for public output.
  2. Pin actions to SHA. Not tags. uses: actions/checkout@11bd719... not @v4.
  3. Limit token permissions. Default to contents: read.
  4. Artifact signing. Sign Docker images with Cosign if possible.
  5. Dependency review. Always include a dependency audit step.
  6. Secret scanning. Include a secret scanning step (trufflehog, gitleaks).
  7. OIDC for cloud. Use OIDC instead of long-lived cloud credentials where supported.

Output Format

Generate the complete pipeline configuration file followed by:

Pipeline Diagram (Mermaid)

mermaid
graph LR
    A[Push/PR] --> B[Lint]
    B --> C[Test]
    C --> D[Build]
    D --> E[Security Scan]
    E --> F[Deploy Staging]
    F --> G[Smoke Test]
    G --> H[Deploy Production]

README Section

A markdown section to add to the project README explaining:

  • Pipeline overview
  • How to view runs
  • What each stage does
  • How to add secrets
  • Where to find artifacts

Secrets Checklist

A checklist of all secrets the user needs to configure, with clear names and descriptions.

Common Stack Templates

Node.js + Docker + Kubernetes (GitHub Actions)

Generate: lint (ESLint) → test (Jest, coverage >= 80%) → build (Docker, multi-stage) → security (Trivy, npm audit) → deploy-staging (kubectl) → smoke-test → deploy-prod (canary + promote)

Python + Docker + AWS ECS (GitHub Actions)

Generate: lint (ruff) → test (pytest, coverage) → build (Docker, ECR push) → security (bandit, pip-audit) → deploy-staging (ECS update) → deploy-prod (ECS blue/green)

Go + Kubernetes (GitLab CI)

Generate: lint (golangci-lint) → test (go test -race) → build (ko or Docker) → security (govulncheck, trivy) → deploy-staging → deploy-prod

Static Site (GitHub Actions + GitHub Pages / Vercel)

Generate: lint (ESLint/Prettier) → test → build → deploy (platform-specific)

Edge Cases

  • Monorepo: Use path filters to trigger only relevant pipelines.
yaml
  on:
    push:
      paths:
        - 'services/api/**'
  • Multi-language: Generate parallel matrix jobs per language.
  • Database migrations: Always include a migration step before deploy, with rollback.
  • Infrastructure-as-Code: If Terraform/Pulumi detected, add plan → apply stages with approval gates.
  • No tests found: Add a placeholder step and warn the user to add tests.

Validation Checklist

Before presenting the pipeline, verify:

  • [ ] All secrets referenced via platform secret store
  • [ ] Actions pinned to commit SHAs
  • [ ] Caching configured for language/framework
  • [ ] Coverage threshold set
  • [ ] Rollback strategy defined per environment
  • [ ] Notifications configured (failures at minimum)
  • [ ] No hardcoded credentials
  • [ ] Environment protection rules for production
  • [ ] OIDC used for cloud auth where possible
  • [ ] Docker layer caching enabled

References

See references/ for provider-specific best practices and common anti-patterns.

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