diff --git a/.env.example b/.env.example
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+# Flask-Konfiguration
+FLASK_APP=app.py
+FLASK_ENV=development
+SECRET_KEY=your-secret-key-here
+
+# Datenbank-Konfiguration
+DATABASE_URL=sqlite:///customers.db
+
+# Authentifizierung
+STATIC_PASSWORD=your-static-password-here
+
+# IP-Bereiche für direkten Zugriff (ohne Login)
+ALLOWED_IP_RANGES=192.168.0.0/24,192.168.177.0/24,213.178.68.218/29
+
+# Logging-Konfiguration
+LOG_LEVEL=INFO