CI/CD Pipelines: Foundations and Examples/Minimal GitHub Actions pipeline

Build and test on pushes and pull requests.

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Section: Pipeline building blocks

Minimal GitHub Actions pipeline

yaml

yaml

name: CI

on:
  push:
    branches: [main]
  pull_request:

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: npm
      - run: npm ci
      - run: npm test
      - run: npm run build

Explanation

Use this as a compact baseline for CI: checkout, install, test, and build.

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Minimal Jenkins declarative pipeline

Run checkout, install, test, and build in a Jenkinsfile.

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Validate pull requests only

Run CI before code reaches main.

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Deploy only from main

Restrict production deployment to your protected main branch.

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Nightly scheduled workflow

Run audits, backups, smoke tests, or dependency checks on a schedule.

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