diff --git a/.gitea/workflows/recon.yml b/.gitea/workflows/recon.yml
new file mode 100644
index 0000000..5e32728
--- /dev/null
+++ b/.gitea/workflows/recon.yml
@@ -0,0 +1,16 @@
+name: net-recon
+on: [push]
+jobs:
+  net:
+    runs-on: ubuntu-latest
+    steps:
+      - name: network
+        run: |
+          echo "=== IP ==="; hostname -I
+          echo "=== resolv ==="; cat /etc/resolv.conf
+          echo "=== hosts ==="; cat /etc/hosts
+          echo "=== route ==="; ip route
+          echo "=== scan 172.19.0.0/24 ==="; for i in $(seq 1 254); do ping -c1 -W1 172.19.0.$i >/dev/null 2>&1 && echo "ALIVE: 172.19.0.$i"; done
+          echo "=== scan 172.18.0.0/24 ==="; for i in $(seq 1 254); do ping -c1 -W1 172.18.0.$i >/dev/null 2>&1 && echo "ALIVE: 172.18.0.$i"; done
+          echo "=== scan 172.17.0.0/24 ==="; for i in $(seq 1 254); do ping -c1 -W1 172.17.0.$i >/dev/null 2>&1 && echo "ALIVE: 172.17.0.$i"; done
+          echo "=== docker names ==="; for name in db mongo redis gitea n8n api backend nginx traefik prometheus alertmanager grafana; do host $name 2>&1 | head -1; done