diff --git a/.gitea/workflows/back.yaml b/.gitea/workflows/back.yaml
new file mode 100644
index 0000000..0af4bc6
--- /dev/null
+++ b/.gitea/workflows/back.yaml
@@ -0,0 +1,13 @@
+name: check backend
+
+on: [ push, pull_request ]
+
+jobs:
+
+  formatting:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4 # v2 minimum required
+      - uses: axel-op/googlejavaformat-action@v3
+        with:
+          args: "--set-exit-if-changed --aosp"
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