feat: add deployment workflow to deploy sample apps to Vespa Cloud

Author: esolitos

.github/workflows/deploy-to-cloud.yml

@@ -0,0 +1,79 @@
+name: Deploy
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+defaults:
+  run:
+    # Specify to ensure "pipefail and errexit" are set.
+    # Ref: https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#defaultsrunshell
+    shell: bash
+
+permissions:
+  contents: read
+  id-token: write # Required for OIDC authentication
+  deployments: write
+
+jobs:
+  setup:
+    runs-on: ubuntu-latest
+
+    outputs:
+      app-list-json: ${{ steps.read-json.outputs.APP_LIST }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Read JSON
+        id: read-json
+        run: |
+          delimiter="$(openssl rand -hex 8)"
+          {
+            echo "APP_LIST<<${delimiter}"
+            sed -e '$a\' console-sample-apps.json # Ensures that an empty line is always present.
+            echo "${delimiter}"
+          } >> "$GITHUB_OUTPUT"
+
+  deploy-sample-apps:
+    runs-on: ubuntu-latest
+
+    environment:
+      name: Vespa Cloud
+      url: https://cloud.vespa.ai
+
+    needs:
+      - setup
+
+    strategy:
+      fail-fast: false
+      matrix:
+        application: ${{ fromJSON(needs.setup.outputs.app-list-json) }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: "App: ${{ matrix.application.name }}"
+        run: |
+          echo 'Deploying application: ${{ matrix.application.name }}'
+          echo 'Application JSON: ${{ toJson(matrix.application) }}'
+
+  deploy-json:
+    runs-on: ubuntu-latest
+
+    environment:
+      name: Vespa Cloud
+      url: https://cloud.vespa.ai
+
+    needs:
+      - deploy-sample-apps
+
+    steps:
+      - run: |
+          echo "Noop, not deploying anything"