addressing comments

.github/workflows/docker-image.yaml

@@ -6,10 +6,12 @@ on:
       branch:
         description: "branch to build"
         required: true
-        default: backstage-image
-  push:
+        default: main
+  push:      
     branches:
-      - backstage-image
+      - main
+    tags:
+      - 'v0.1.2'  
 
 permissions:
       id-token: write
@@ -17,13 +19,13 @@ permissions:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
-        ref: backstage-image
+        ref: main
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2