deploy-prototype.yml

name: Deploy Prototype to GitHub Pages

on:
  push:
    branches: [main]
    paths: ['design/prototype/**']
  workflow_dispatch:  # allow manual trigger

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

permissions:
  contents: read
  pages: write
  id-token: write

jobs:
  deploy:
    name: Deploy
    runs-on: ubuntu-24.04
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - uses: actions/checkout@v4

      - uses: actions/configure-pages@v4

      - name: Generate analytics config from GitHub secrets
        shell: bash
        env:
          POSTHOG_TOKEN: ${{ secrets.POSTHOG_TOKEN }}
          POSTHOG_API_HOST: ${{ vars.POSTHOG_API_HOST }}
          POSTHOG_VERSION: ${{ vars.POSTHOG_VERSION }}
        run: |
          if [ -z "${POSTHOG_TOKEN}" ]; then
            echo "::error title=Missing POSTHOG_TOKEN::POSTHOG_TOKEN secret is required for deployment."
            exit 1
          fi

          if [ -z "${POSTHOG_API_HOST}" ]; then
            POSTHOG_API_HOST="https://us.i.posthog.com"
          fi

          if [ -z "${POSTHOG_VERSION}" ]; then
            POSTHOG_VERSION="v1-gh-pages"
          fi

          cat > design/prototype/assets/analytics.config.local.json <<EOF
          {
            "token": "${POSTHOG_TOKEN}",
            "apiHost": "${POSTHOG_API_HOST}",
            "version": "${POSTHOG_VERSION}"
          }
          EOF

      - uses: actions/upload-pages-artifact@v3
        with:
          path: design/prototype/

      - uses: actions/deploy-pages@v4
        id: deployment