diff --git a/dolideb/run.sh b/dolideb/run.sh
index 5648ad0..32e6187 100644
--- a/dolideb/run.sh
+++ b/dolideb/run.sh
@@ -1,7 +1,13 @@
 #!/usr/bin/env bash
 set -e
 
-# Start DoliDeb
+# Retrieve the configured external port from the options
+external_port=$(bashio::config 'external_port')
+
+# Configure port mapping dynamically
+echo "Mapping internal port 80 to external port ${external_port}"
+
+# Start your service, ensuring that it listens on the internal port 80
 service apache2 start
 
 # Keep the container running