diff --git a/src/icinga2/constants-service.conf b/src/icinga2/constants-service.conf
new file mode 100644
index 0000000..017134b
--- /dev/null
+++ b/src/icinga2/constants-service.conf
@@ -0,0 +1,18 @@
+#!/bin/bash
+#
+# Zamba LXC Toolbox - Service Constants
+# Service: icinga-stack
+#
+
+# --- Service Metadata ---
+ZAMBA_SERVICE_NAME="Icinga2 Monitoring Stack"
+ZAMBA_SERVICE_DESC="Installiert Icinga2, Icingaweb2, Director, Nginx, PostgreSQL, InfluxDB2 und Grafana."
+
+# --- Service Configuration ---
+# Path to store the generated credentials for the admin
+CRED_FILE="/root/.zamba_credentials/icinga_stack.txt"
+
+# Define the PHP version for the current OS release.
+# For Debian 12 (Bookworm), this is 8.2.
+# For a future Debian 13 (Trixie), you would likely change this to "8.3".
+PHP_VERSION="8.2"