diff --git a/.gitea/workflows/watchdog-build.yaml b/.gitea/workflows/watchdog-build.yaml
new file mode 100644
index 0000000..432a038
--- /dev/null
+++ b/.gitea/workflows/watchdog-build.yaml
@@ -0,0 +1,24 @@
+  on:
+    pull_request:
+      types:
+        - opened
+        - synchronize
+        - labeled
+
+  jobs:
+    build-docker-image:
+      runs-on: ubuntu-latest
+      defaults:
+        run:
+          working-directory: ./watchdog-go
+      if: |
+        ((github.event.action == 'labeled') && 
+                (github.event.label.name == 'watchdog-go')) ||
+              ((github.event.action == 'synchronize') &&
+                contains(github.event.pull_request.labels.*.name, 'watchdog-go')
+
+      steps:
+        - uses: actions/checkout@v3
+        - run: docker login -u usbharu -p ${{ secrets.DEPLOY_TOKEN }} git.usbharu.dev
+        - run: docker build ./ watchdog-go -t latest -t ${{ github.sha }}
+        - run: docker push git.usbharu.dev/usbharu/watchdog-go:${{ github.sha }}
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