diff --git a/.gitea/gitea_compose_qnap_all_in_one.md b/.gitea/gitea_compose_qnap_all_in_one.md
index 3619059..9463456 100644
--- a/.gitea/gitea_compose_qnap_all_in_one.md
+++ b/.gitea/gitea_compose_qnap_all_in_one.md
@@ -99,7 +99,7 @@ services:
           level: info
         runner:
           file: /data/.runner
-          capacity: 2
+          capacity: 4
           timeout: 3h
           insecure: false
           fetch_timeout: 5s
diff --git a/.github/workflows/release-image.yml b/.github/workflows/release-image.yml
index 7e8cc4f..a026e42 100644
--- a/.github/workflows/release-image.yml
+++ b/.github/workflows/release-image.yml
@@ -45,21 +45,27 @@ jobs:
 
       # Guardrail anchor: target: runner
       - name: Build and push app image
-        run: |
-          docker buildx build --push \
-            --tag "${{ steps.vars.outputs.app_image }}" \
-            --file ./Dockerfile.prod \
-            --target runner \
-            .
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile.prod
+          target: runner
+          push: true
+          tags: ${{ steps.vars.outputs.app_image }}
+          cache-from: type=gha,scope=app
+          cache-to: type=gha,mode=max,scope=app
 
       # Guardrail anchor: target: migrator
       - name: Build and push migrator image
-        run: |
-          docker buildx build --push \
-            --tag "${{ steps.vars.outputs.migrator_image }}" \
-            --file ./Dockerfile.prod \
-            --target migrator \
-            .
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile.prod
+          target: migrator
+          push: true
+          tags: ${{ steps.vars.outputs.migrator_image }}
+          cache-from: type=gha,scope=migrator
+          cache-to: type=gha,mode=max,scope=migrator
 
       - name: Release summary
         run: |