ci: rewrite workflows

.github/actions/bootstrap/action.yaml

@@ -0,0 +1,28 @@
+name: Bootstrap
+description: Bootstrap the app and Widgetbook, then build Widgetbook
+
+runs:
+  using: composite
+  steps:
+    - name: Setup flutter
+      uses: subosito/flutter-action@v2
+      with:
+        channel: stable
+
+    - name: Bootstrap App
+      shell: bash
+      run: |
+        flutter pub get
+        flutter gen-l10n
+
+    - name: Bootstrap Widgetbook
+      working-directory: widgetbook
+      shell: bash
+      run: |
+        flutter pub get
+        dart run build_runner build -d
+
+    - name: Build Widgetbook
+      working-directory: widgetbook
+      shell: bash
+      run: flutter build web

.github/workflows/deploy.yaml

@@ -0,0 +1,32 @@
+name: Deploy Demo
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    # Only run it if the service account is set,
+    # to avoid running it on internal forks (e.g. e2e)
+    if: ${{ secrets.STORAGE_SERVICE_ACCOUNT != '' }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Bootstrap
+        uses: ./.github/actions/bootstrap
+
+      - name: Authenticate Service Account
+        uses: google-github-actions/[email protected]
+        with:
+          credentials_json: ${{ secrets.STORAGE_SERVICE_ACCOUNT }}
+
+      - name: Deploy to demo.widgetbook.io
+        uses: google-github-actions/[email protected]
+        with:
+          path: widgetbook/build/web
+          destination: demo.widgetbook.io
+          parent: false

.github/workflows/widgetbook-cloud.yaml

@@ -0,0 +1,36 @@
+name: Widgetbook Cloud
+
+on: push
+
+jobs:
+  staging:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Bootstrap
+        uses: ./.github/actions/bootstrap
+
+      - name: Install Widgetbook CLI
+        run: dart pub global activate widgetbook_cli
+
+      - name: Upload Widgetbook
+        working-directory: widgetbook
+        run: widgetbook_staging cloud build push --api-key ${{ secrets.WIDGETBOOK_CLOUD_API_KEY_STAGING }}
+
+  production:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Bootstrap
+        uses: ./.github/actions/bootstrap
+
+      - name: Install Widgetbook CLI
+        run: dart pub global activate widgetbook_cli
+
+      - name: Upload Widgetbook
+        working-directory: widgetbook
+        run: widgetbook cloud build push --api-key ${{ secrets.WIDGETBOOK_CLOUD_API_KEY }}