fix: Build image workflow

Author: actuarysailor

.github/workflows/build-image.yaml

@@ -2,6 +2,10 @@ name: Publish container image
 
 on:
   workflow_dispatch:
+  push:
+    paths:
+    - .github/workflows/build-image.yaml
+    - Dockerfile*
   release:
     types:
     - created
@@ -51,9 +55,9 @@ jobs:
           type=ref,event=branch
           type=ref,event=pr
           type=sha
-          type=raw,value=latest,enable={{is_default_branch}}
-          type=raw,value={{github.ref_name}},enable={{github.ref_type == 'tag'}}
-          type=raw,value=nightly,enable={{github.event_name == 'schedule'}}
+          type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
+          type=raw,value=${{ github.ref_name }},enable=${{ github.ref_type == 'tag' }}
+          type=raw,value=nightly,enable=${{ github.event_name == 'schedule' }}
 
     - name: Build and Push release
       uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83  # v6.18.0