release.yml

name: Deploy on Vercel and Publish Docker image
on:
  push:
    branches: ['main']
  pull_request:
    branches: ['main']

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  semantic-release-job:
    runs-on: ubuntu-latest

    outputs:
      new_release_version: ${{ steps.semantic_release.outputs.new_release_version }}
      new_release_major_version: ${{ steps.semantic_release.outputs.new_release_major_version }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - id: semantic_release
        uses: cycjimmy/semantic-release-action@v4
        with:
          semantic_version: 24
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  vercel-job:
    runs-on: ubuntu-latest
    needs: semantic-release-job
    if: needs.semantic-release-job.outputs.new_release_version != ''

    # Update the "Production"/"Preview" environment with the Vercel deployed URL
    environment:
      name: ${{ github.event_name == 'push' && 'Production' || 'Preview' }}
      url: ${{ steps.vercel-deploy.outputs.deployment_url }}

    steps:
      - uses: actions/setup-node@v4
      - uses: actions/checkout@v4
      - id: vercel-deploy
        run: |
          npx -y vercel deploy --token=${{ secrets.VERCEL_TOKEN }} \
            --target=${{ github.event_name == 'push' && 'production' || 'preview' }} \
            --build-env MDX=docs \
            --build-env NEXT_PUBLIC_LIBNAME="Poimandres" \
            --build-env NEXT_PUBLIC_LIBNAME_SHORT="pmndrs" \
            --build-env BASE_PATH= \
            --build-env DIST_DIR= \
            --build-env OUTPUT=${{ github.event_name == 'push' && '' || 'export' }} \
            --build-env HOME_REDIRECT= \
            --build-env MDX_BASEURL="https://github.com/${{ github.repository }}/raw/${{ github.event_name == 'push' && github.ref_name || github.head_ref }}/docs" \
            --build-env EDIT_BASEURL="https://github.com/${{ github.repository }}/edit/${{ github.event_name == 'push' && github.ref_name || github.head_ref }}/docs" \
            --build-env NEXT_PUBLIC_URL="$VERCEL_PROJECT_PRODUCTION_URL" \
            --build-env ICON=${{ github.event_name == 'push' && '' || '🖨️' }} \
            --build-env LOGO=gutenberg.jpg \
            --build-env GITHUB="https://github.com/${{ github.repository }}" \
            --build-env DISCORD="${{ secrets.DISCORD }}" \
            --build-env THEME_PRIMARY="#323e48" \
            --build-env THEME_SCHEME="tonalSpot" \
            --build-env THEME_CONTRAST="0" \
            --build-env THEME_NOTE="#1f6feb" \
            --build-env THEME_TIP="#238636" \
            --build-env THEME_IMPORTANT="#8957e5" \
            --build-env THEME_WARNING="#d29922" \
            --build-env THEME_CAUTION="#da3633" \
            > deployment-url.txt

          echo "deployment_url=$(cat deployment-url.txt)" >> $GITHUB_OUTPUT
        env:
          VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
          VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}

  # https://docs.github.com/en/actions/publishing-packages/publishing-docker-images#publishing-images-to-github-packages
  docker-job:
    runs-on: ubuntu-latest
    needs: semantic-release-job
    if: needs.semantic-release-job.outputs.new_release_version != ''

    permissions:
      contents: write
      packages: write
      attestations: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=semver,pattern={{major}},value=v${{ needs.semantic-release-job.outputs.new_release_version }}
            type=semver,pattern={{version}},value=v${{ needs.semantic-release-job.outputs.new_release_version }}

      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true

      - name: Update `vX` git tag
        run: |
          git config --global user.email "${{ github.actor }}@users.noreply.github.com"
          git config --global user.name "${{ github.actor }}"

          MAJOR_VERSION=${{ needs.semantic-release-job.outputs.new_release_major_version }}
          git tag -fa v$MAJOR_VERSION -m "Update major version tag to v$MAJOR_VERSION"
          git push origin v$MAJOR_VERSION --force