wrkflw/test-workflows/matrix-example.yml

name: Matrix Example

triggers:
  push:
    branches: ["main"]
  pull_request:
    branches: ["main"]

env:
  GLOBAL_VAR: "This applies to all jobs"

jobs:
  test:
    name: "Test"
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        node-version: [14, 16, 18]
        include:
          - os: ubuntu-latest
            node-version: 20
            experimental: true
        exclude:
          - os: windows-latest
            node-version: 14
        fail-fast: false
        max-parallel: 2
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      
      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node-version }}
      
      - name: Show configuration
        run: |
          echo "Running on: ${{ matrix.os }}"
          echo "Node version: ${{ matrix.node-version }}"
          if [ "${{ matrix.experimental }}" = "true" ]; then
            echo "This is an experimental configuration"
          fi