only run actions with a tag

Author: snow-jallen

.github/workflows/docker-image.yml

@@ -1,10 +1,10 @@
 name: Docker Image CI
 
 on:
-  push:
   workflow_dispatch:    
-    #tags:
-    #- '*'
+  push:
+    tags:
+      - '*'
   # To have GitHub Actions deploy a new version, create a new tag
   # git tag -a yyyy.m.d -m yyyy.m.d
   # Then push those tags