deploy-docs.yml

name: Deploy Docusaurus to GitHub Pages

on:
  push:
    branches:
      - main
    # Path filtering: ONLY rebuilds when files inside the nested docs/ folder change
    paths:
      - 'docs/**'
  
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: "pages"
  cancel-in-progress: true

jobs:
  build:
    name: Build Docusaurus
    runs-on: ubuntu-latest
    
    # 🔑 NEW: Sets the working directory for all 'run' commands in this job
    defaults:
      run:
        working-directory: ./docs
        
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: npm
          # 🔑 NEW: Tell the cache action where to find your lockfile
          cache-dependency-path: docs/package-lock.json

      - name: Install dependencies
        run: npm ci

      - name: Build website
        run: npm run build

      - name: Upload Build Artifact
        uses: actions/upload-pages-artifact@v3
        with:
          # 🔑 NEW: Point the uploader to the nested build output
          path: docs/build

  deploy:
    name: Deploy to GitHub Pages
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4