add main branch

Author: hummerichsander

.github/workflows/publish_image.yaml

@@ -3,7 +3,7 @@ name: Create and publish a Docker image
 
 on:
   push:
-    branches: ['release/*']
+    branches: ['release/*', 'main']
 
 env:
   REGISTRY: ghcr.io
@@ -37,7 +37,7 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
             type=ref,event=branch,pattern=release/v(?<version>\d+\.\d+\.\d+),group=version
-            type=ref,event=branch,pattern=release/v(?<version>latest),group=version
+            type=raw,value=latest,enable={{is_default_branch}}
 
       - name: Build and push Docker image
         id: push