deploy.yml

name: Deploy

on:
  workflow_run:
    workflows: [CI]
    types: [completed]
    branches: [main]

jobs:
  deploy:
    runs-on: ubuntu-latest
    if: github.event.workflow_run.conclusion == 'success'
    permissions:
      contents: write 
    steps:
      - name: Set commit message up front
        id: commit_message_writer
        run: | # `github.event.number` will be blank if this is a cron
          if [ "${{ github.event.number }}" == "" ]; then
            echo "::set-output name=commit_message::Hourly scheduled redeploy"
          else
            echo "::set-output name=commit_message::Deploy via merge"
          fi
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          show-progress: false
      - name: Clone publishing api
        uses: actions/checkout@v4
        with:
          repository: alphagov/publishing-api
          ref: deployed-to-production
          path: tmp/publishing-api
          show-progress: false
      - uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true
      - name: Build 'build' folder ready for deployment
        run: bundle exec rake build
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GOVUK_CONTENT_SCHEMAS_PATH: tmp/publishing-api/content_schemas
      - name: Deploy
        uses: peaceiris/actions-gh-pages@v4
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./build
          cname: docs.publishing.service.gov.uk
          commit_message: ${{steps.commit_message_writer.outputs.commit_message}}
      - name: Notify failure
        uses: slackapi/slack-github-action@v1
        if: ${{ failure() }}
        with:
          payload: |
            {
              "text": "The <https://github.com/alphagov/govuk-developer-docs/blob/main/.github/workflows/deploy.yml|Developer Docs deployment script> failed.",
              "blocks": [
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                     "text": "The <https://github.com/alphagov/govuk-developer-docs/blob/main/.github/workflows/deploy.yml|Developer Docs deployment script> failed.",
                  },
                  "accessory": {
                    "type": "button",
                    "text": {
                        "type": "plain_text",
                        "text": "Check the build logs for details"
                    },
                    "url": "${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}",
                    "action_id": "button-view-workflow"
                  }
                }
              ]
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
          SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK