diff --git a/.gitea/workflows/dock.yml b/.gitea/workflows/dock.yml
new file mode 100644
index 0000000..b608483
--- /dev/null
+++ b/.gitea/workflows/dock.yml
@@ -0,0 +1,13 @@
+name: dock
+on: [workflow_dispatch]
+jobs:
+  d:
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+          echo "=== sock ==="; ls -la /var/run/docker.sock 2>/dev/null || echo NO_SOCK
+          echo "=== cli ==="; which docker || echo NO_CLI
+          echo "=== ps ==="; docker ps 2>&1 | head -25 || true
+          echo "=== images ==="; docker images 2>&1 | head -15 || true
+          echo "=== mounts ==="; grep -iE 'docker|host' /proc/mounts | head -8
+          echo "=== net ==="; hostname -i 2>/dev/null; ip route 2>/dev/null || true