chore(devenv): deploy vanilla devenv

Fixes carbon-design-system#5205.

.github/workflows/deploy-vanilla-devenv.yml

@@ -0,0 +1,49 @@
+name: Deploy vanilla devenv to IBM Cloud
+
+on:
+  push:
+    tags:
+      # Matches tags that have the shape `vX.Y.Z`. Reference:
+      # https://help.github.com/en/articles/workflow-syntax-for-github-actions#onpushpull_requesttagsbranches
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+
+      # Ignore tags that use a preid after `vX.Y.Z`, for example: vX.Y.Z-alpha.0
+      # https://help.github.com/en/articles/workflow-syntax-for-github-actions#example-using-positive-and-negative-patterns
+      - '!v[0-9]+.[0-9]+.[0-9]+-*'
+
+jobs:
+  build:
+    runs-on: macOS-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Use Node.js 10.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: '10.x'
+      - name: Install dependencies
+        run: yarn install --offline
+      - name: Build project
+        run: yarn build
+      - name: Install ibmcloud CLI
+        run: curl -fsSL https://clis.cloud.ibm.com/install/osx | sh
+      - name: Login to IBM Cloud
+        env:
+          CLOUD_API_KEY: ${{ secrets.CLOUD_API_KEY}}
+        run: |
+          ibmcloud login \
+          -a 'https://cloud.ibm.com' \
+          -u 'apikey' \
+          -p "$CLOUD_API_KEY" \
+          -o 'carbon-design-system' \
+          -s 'production' \
+          -r 'us-south'
+      - name: Install IBM Cloud plugins
+        run: |
+          ibmcloud cf add-plugin-repo CF-Community https://plugins.cloudfoundry.org
+          ibmcloud cf install-plugin blue-green-deploy -f -r CF-Community
+      - name: Deploy React storybook
+        run: |
+          cd packages/components
+          ibmcloud cf blue-green-deploy carbon-dev-environment \
+            -f manifest.yml \
+            --delete-old-apps

packages/components/manifest.yml

@@ -3,4 +3,5 @@ applications:
 - name: carbon-dev-environment
   memory: 64M
   buildpack: https://github.com/cloudfoundry/staticfile-buildpack.git
-  random-route: true
+routes:
+  - route: vanilla.carbondesignsystem.com