set up tag again on build

.github/workflows/docker-build.yml

@@ -4,8 +4,8 @@ env:
 
 on:
   push:
-    branches:
+    tags:
-      - 'docker-build-test'
+      - '*'
 
 jobs:
   build:
@@ -52,5 +52,5 @@ jobs:
           --cache-from "type=local,src=/tmp/.buildx-cache" \
           --cache-to "type=local,dest=/tmp/.buildx-cache" \
           --platform linux/amd64,linux/arm64,linux/arm/v7 \
-          --tag "${{ secrets.DOCKER_HUB_USER }}/sphinx-relay:test" \
+          --tag "${{ secrets.DOCKER_HUB_USER }}/sphinx-relay:${{ env.RELEASE_TAG }}" \
           --output "type=registry" ./