fix workflow

.gitea/workflows/docker-build-push.yml

@@ -5,7 +5,7 @@ on:
     branches:
       - "main"
     tags:
-      - "*"
+      - "v*"
   workflow_dispatch:
 jobs:
   docker:
@@ -58,7 +58,7 @@ jobs:
         with:
           context: .
           push: true
-          # Always tag with the latest Git tag; also keep any tags from metadata (e.g., on tag events)
+          platforms: linux/amd64
           tags: |
             ${{ steps.meta.outputs.tags }}
             gitea.suda.codes/${{ github.repository }}:${{ steps.latest.outputs.tag }}