readme updates2

README.md

@@ -35,7 +35,9 @@ mariadb used was 10.5. As of this writing it pulls 10.5.9 (which works). It's po
 zencart has which mariadb, php, and apache it works with in the downloadable zip.
 
 
-
+You should have along with this folder of the docker-compose, app w/dockerfile & apache2 conf
+but also a dbdata folder (stores db), and a folder for /var/www/html. See dockerfile and 
+docker-compose.