diff --git a/test.sh b/test.sh
new file mode 100755
index 00000000..ad2a0b52
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,21 @@
+#!/run/current-system/sw/bin/bash
+set -euo pipefail
+
+detect_dev_host() {
+  local ip_bin="/run/current-system/sw/bin/ip"
+  [ -x "$ip_bin" ] || { echo "Binaire ip introuvable : $ip_bin" >&2; exit 1; }
+
+  local iface candidate
+  iface="$("$ip_bin" -4 route show default | awk 'NR==1 {print $5}')"
+  [ -n "$iface" ] || { echo "Impossible de déterminer l'interface par défaut." >&2; exit 1; }
+
+  candidate="$("$ip_bin" -4 addr show dev "$iface" scope global | awk '/inet / {print $2}' | cut -d/ -f1 | head -n1)"
+  [ -n "$candidate" ] || { echo "Aucune adresse IPv4 trouvée sur l'interface $iface." >&2; exit 1; }
+
+  printf '%s\n' "$candidate"
+}
+
+DEV_HOST="$(detect_dev_host)"
+DEV_PORT=1313
+
+hugo server -DEF --bind "$DEV_HOST" --port $DEV_PORT --baseURL "http://$DEV_HOST:$DEV_PORT"
\ No newline at end of file