add example to push to ACR instead (#152)

.github/workflows/push-to-ACR.yml

@@ -0,0 +1,34 @@
+name: Build/push to ACR
+
+on:
+  workflow_dispatch: # build on demand
+
+jobs:
+  build-ubuntu:
+    runs-on: ubuntu-latest # use the GitHub hosted runners
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set outputs
+        id: vars
+        run: echo ::set-output name=sha_short::${GITHUB_SHA::7}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Azure Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: kubernoodles.azurecr.io
+          username: ${{ secrets.ACR_USERNAME }}
+          password: ${{ secrets.ACR_PASSWORD }}
+
+      - name: Build and push the image
+        uses: docker/build-push-action@v3
+        with:
+          file: "images/ubuntu-jammy.Dockerfile"
+          push: true
+          tags: |
+            kubernoodles.azurecr.io/ubuntu-jammy:${{ steps.vars.outputs.sha_short }}