new workflow

multi-arch-test.yaml

@@ -0,0 +1,27 @@
+name: "Testing multi-arch Docker builds"
+
+on:
+  workflow_dispatch:
+
+jobs:
+  task:
+    permissions:
+      contents: write
+      pull-requests: write
+      packages: write
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Auth to Cloud
+        uses: 'uwit-iam/action-auth-artifact-registry@main'
+        with:
+          credentials: "${{ secrets.MCI_GCLOUD_AUTH_JSON }}"
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: kevintest:latest