diff --git a/.gitea/workflows/watchdob-bell-build.yaml b/.gitea/workflows/watchdob-bell-build.yaml
new file mode 100644
index 0000000..b3e3411
--- /dev/null
+++ b/.gitea/workflows/watchdob-bell-build.yaml
@@ -0,0 +1,32 @@
+on:
+  pull_request:
+    types:
+      - labeled
+      - opened
+      - synchronize
+      - closed
+  workflow_dispatch:
+permissions:
+  pull-requests: read
+
+jobs:
+  build-watchdog-be:
+    runs-on: ubuntu-latest
+    container:
+      image: catthehacker/ubuntu:act-latest
+    defaults:
+      run:
+        working-directory: ./watchdog-bell
+    if: contains(github.event.pull_request.labels.*.name,'watchdog-bell')
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin' # See 'Supported distributions' for available options
+          java-version: '21'
+      - uses: gradle/actions/setup-gradle@v3
+      - run: ./gradlew jibBuildTar
+        if: github.event.pull_request.merged == false
+      - run: ./gradlew jib -Djib.to.image=git.usbharu.dev/usbharu/watchdog-bell -Djib.to.auth.username=usbharu -Djib.to.auth.password=${{ secrets.DEPLOY_TOKEN }}
+        if: github.event.pull_request.merged == true
\ No newline at end of file