Last Updated: November 21, 2025
CI/CD Principles
Automate everything
Build, test, and deploy automatically
Commit frequently
Small, incremental changes
Fast feedback
Quick builds and tests
Test in production-like environments
Staging matches production
Rollback capability
Easy to revert changes
Monitor and alert
Track deployments and errors
GitHub Actions Example
# .github/workflows/ci.yml
name: CI
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- name: Setup Node.js
uses: actions/setup-node@v2
with:
node-version: '18'
- name: Install dependencies
run: npm ci
- name: Run tests
run: npm test
- name: Build
run: npm run build
- name: Deploy
if: github.ref == 'refs/heads/main'
run: npm run deployPipeline Stages
| Stage | Purpose |
|---|---|
Source
|
Trigger on code change |
Build
|
Compile and package code |
Test
|
Run automated tests |
Security Scan
|
Check for vulnerabilities |
Deploy to Staging
|
Test in staging environment |
Deploy to Production
|
Release to users |
Monitor
|
Track performance and errors |
💡 Pro Tip:
Start with simple pipelines and gradually add complexity!