deploy.yml

---
name: Deploy to GitHub Pages
on:
  push:
    branches:
      - main
  workflow_dispatch:

permissions:
  pages: write

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

jobs:
  deploy:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Set commit message up front
        id: commit_message_writer
        run: echo "::set-output name=commit_message::Deploy via merge"

      - name: Checkout repository
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11

      - name: Setup Node
        uses: actions/setup-node@8f152de45cc393bb48ce5d89d36b731f54556e65

      - name: Setup Ruby
        uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42
        with:
          bundler-cache: true

      - name: Build middleman site
        run: bundle exec middleman build

      - name: Deploy to GitHub Pages
        uses: peaceiris/actions-gh-pages@v3
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./build
          cname: guidance.data.gov.uk
          allow_empty_commit: true
          commit_message: ${{steps.commit_message_writer.outputs.commit_message}}