env file

Signed-off-by: ale <ale@manalejandro.com>

README.md

@@ -5,7 +5,7 @@
 ```
 $ git clone --recurse-submodules https://git.manalejandro.com/ale/bind9
 
-cd bind and edit ./bind/entrypoint.sh file properties before first run
+cd bind and edit ./bind/entrypoint.sh file properties before first run, then edit env file with your settings.
 ```
 
 ##Build