diff --git a/docker-health-check.sh b/docker-health-check.sh
new file mode 100755
index 0000000..2aec1fa
--- /dev/null
+++ b/docker-health-check.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+# Vérifie l'état de tous les containers Docker et alerte sur Discord (salon homelab)
+# si un container censé tourner (restart policy unless-stopped/always) est arrêté
+# de façon anormale (code de sortie non-nul) ou en boucle de redémarrage.
+
+set -uo pipefail
+
+WEBHOOK_URL="https://discord.com/api/webhooks/1466011674371821599/KPvSSS53ot4cjICfDjJcn8s0So-oQaxBui4vpciyIz4e_yL3Fm6-7GQqeTaT3G6TLQmc"
+
+problems=()
+
+while IFS='|' read -r name state status; do
+    if [ "$state" = "restarting" ]; then
+        problems+=("🔴 **$name** en boucle de redémarrage ($status)")
+        continue
+    fi
+
+    if [ "$state" = "exited" ] || [ "$state" = "dead" ]; then
+        exit_code=$(docker inspect --format '{{.State.ExitCode}}' "$name" 2>/dev/null)
+        restart_policy=$(docker inspect --format '{{.HostConfig.RestartPolicy.Name}}' "$name" 2>/dev/null)
+
+        if [ "$exit_code" != "0" ] && { [ "$restart_policy" = "unless-stopped" ] || [ "$restart_policy" = "always" ]; }; then
+            problems+=("🔴 **$name** arrêté anormalement (code $exit_code, $status)")
+        fi
+    fi
+done < <(docker ps -a --format '{{.Names}}|{{.State}}|{{.Status}}')
+
+if [ ${#problems[@]} -eq 0 ]; then
+    echo "OK - tous les containers vont bien"
+    exit 0
+fi
+
+message="⚠️ **Alerte containers Docker** (${#problems[@]})\n"
+for p in "${problems[@]}"; do
+    message+="$p\n"
+done
+
+json_payload=$(python3 -c "import json,sys; print(json.dumps({'content': sys.argv[1]}))" "$message")
+
+curl -s -X POST "$WEBHOOK_URL" -H "Content-Type: application/json" -d "$json_payload" > /dev/null
+
+echo "Alerte envoyée : ${#problems[@]} problème(s)"