removing - symbol before processing name resolving

entrypoint.sh

@@ -33,7 +33,7 @@ name_resolver() {
 		
 	for D in $(echo $DNS);
 	do
-		
+	 	D=$(echo $D | cut -d "-" -f1)	
 		UP=$(docker ps --format '{{.Names}}\t{{.Status}}' | grep Up | awk '{print $1}' | grep $D"-") ;
 		# filtering for ROLES variables if exists.
 		if [[ "$ROLES" != "null" && ! -z "$ROLES" ]]; then