publish.yml

name: Gatsby Publish

on:
  push:
    branches:
      - main

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


# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
permissions:
  contents: read
  pages: write
  id-token: write

# Default to bash
defaults:
  run:
    shell: bash

jobs:
  # Build job
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Detect package manager
        id: detect-package-manager
        run: |
          if [ -f "${{ github.workspace }}/yarn.lock" ]; then
            echo "manager=yarn" >> $GITHUB_OUTPUT
            echo "command=install" >> $GITHUB_OUTPUT
            exit 0
          elif [ -f "${{ github.workspace }}/package.json" ]; then
            echo "manager=npm" >> $GITHUB_OUTPUT
            echo "command=ci" >> $GITHUB_OUTPUT
            exit 0
          else
            echo "Unable to determine package manager"
            exit 1
          fi
      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version: "18"
          cache: ${{ steps.detect-package-manager.outputs.manager }}

      - name: Setup Pages
        id: pages
        uses: actions/configure-pages@v3
        with:
          # Automatically inject pathPrefix in your Gatsby configuration file.
          #
          # You may remove this line if you want to manage the configuration yourself.
          static_site_generator: gatsby

      - name: Restore cache
        uses: actions/cache@v3
        with:
          path: |
            public
            .cache
          key: ${{ runner.os }}-gatsby-build-${{ hashFiles('public') }}
          restore-keys: |
            ${{ runner.os }}-gatsby-build-

      - name: Install dependencies
        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
        
      - name: Build with Gatsby
        env:
          PREFIX_PATHS: 'true'
        run: ${{ steps.detect-package-manager.outputs.manager }} run build

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v1
        with:
          path: ./public

  # Deployment job
  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v2