simple-site-template.yaml

apiVersion: scaffolder.backstage.io/v1beta3
kind: Template
metadata:
  name: github-pages-website-with-branch
  title: GitHub Pages Website With Branch selection
  description: Create a static HTML website and publish it via GitHub pages.

spec:
  owner: user:dtuite
  type: website
  parameters:
    - title: Provide some simple information
      required:
        - website_name
      properties:
        website_name:
          title: Website name
          type: string
          description: This will be displayed prominantly on your website and in the title tag.

    - title: Choose a Source Control Management tool to store your new website in.
      required:
        - repoUrl
      properties: 
        repoUrl:
          title: Repository Location
          type: string
          ui:field: RepoUrlPicker
          ui:options:
            allowedHosts:
              - github.com
    - title: Default branch on the repository
      required:
        - defaultBranch
      properties:
        defaultBranch:
          title: Default Branch
          type: string
          description: This will be used as the default branch on the repository
              

  steps:
    - id: template
      name: Fetch Skeleton + Template
      action: fetch:template
      input:
        url: ./skeleton
        values:
          website_name: ${{ parameters.website_name }}
          repo_name: ${{ (parameters.repoUrl | parseRepoUrl)["repo"] }}
          repo_owner: ${{ (parameters.repoUrl | parseRepoUrl)["owner"] }}

    - id: publishToGitHub
      name: Publish to GitHub
      action: publish:github
      input:
        allowedHosts: ['github.com']
        description: 'A static HTML website. Just like the good old days.'
        repoUrl: ${{ parameters.repoUrl }}
        defaultBranch: ${{ parameters.defaultBranch }}
        repoVisibility: public

    - id: publishToWeb
      name: Publish to web with GitHub Pages
      action: http:backstage:request
      input:
        method: 'POST'
        path: /api/proxy/github/api/repos/${{ (parameters.repoUrl | parseRepoUrl)["owner"] }}/${{ (parameters.repoUrl | parseRepoUrl)["repo"] }}/pages
        headers:
          content-type: 'application/json'
        body:
          source:
            branch: main
            path: '/'

    - id: registerInBetterUptime
      name: Register in Better Uptime
      action: http:backstage:request
      input:
        method: 'POST'
        path: /api/proxy/betteruptime/monitors
        headers:
          content-type: 'application/json'
        body:
          url: https://${{ (parameters.repoUrl | parseRepoUrl)["owner"] }}.github.io/${{ (parameters.repoUrl | parseRepoUrl)["repo"] }}/

  output:
    remoteUrl: ${{ steps.publishToGitHub.output.remoteUrl }}