build docker images on pull requests and semver releases as well

Author: lastarc

.github/workflows/docker-publish.yml

@@ -2,8 +2,10 @@ name: Docker
 
 on:
   push:
-    branches:
-      - 'main'
+    branches: [ "main" ]
+    tags: [ 'v*.*.*' ]
+  pull_request:
+    branches: [ "main" ]
 
 env:
   REGISTRY: ghcr.io