lookup hostname when in docker

lgsm/functions/command_monitor.sh

@@ -33,9 +33,14 @@ for queryattempt in {1..5}; do
 		fi
 		querystatus="$?"
 	elif [ "${querymethod}" ==  "tcp" ]; then
+		if [ -f /.dockerenv ]; then
+			bash -c 'exec 3<> /dev/tcp/'$(hostname -i)'/'${queryport}''
+			querystatus="$?"
+		else
 			bash -c 'exec 3<> /dev/tcp/'${ip}'/'${queryport}''
 			querystatus="$?"
 		fi
+	fi
 
 	if [ "${querystatus}" == "0" ]; then
 		# Server query OK