enable multi-platform build

Author: dtanner

.github/workflows/docker-hub-publish.yml

@@ -1,7 +1,8 @@
 name: docker-multiplatform
 
 on:
-  workflow_dispatch:
+  release:
+    types: [ created ]
 
 env:
   IMAGE_NAME: edgescope/chaperone
@@ -40,9 +41,7 @@ jobs:
         with:
           context: .
           platforms: linux/amd64,linux/arm64
-          #push: true
+          push: true
           tags: |
-            "${{ env.IMAGE_NAME }}:testa"
-            "${{ env.IMAGE_NAME }}:testb"
-#            "${{ env.IMAGE_NAME }}:${GITHUB_REF_NAME}"
+            "${{ env.IMAGE_NAME }}:${GITHUB_REF_NAME}"
 #            "${{ env.IMAGE_NAME }}:latest"