diff --git a/check_docker.sh b/check_docker.sh
new file mode 100644
index 0000000..11d583b
--- /dev/null
+++ b/check_docker.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# List of expected container names
+expected_containers=("vaultwarden" "nginx" "mariadb")
+
+# Email settings
+recipient="paserver@uni-bremen.de"
+subject="Docker Container Alert"
+
+# Check containers
+for container in "${expected_containers[@]}"; do
+    if ! docker ps --format '{{.Names}}' | grep -q "^$container$"; then
+        echo "Container $container is not running" | mail -s "$subject" "$recipient"
+    fi
+done