wp fail certainly because docker build have no access to docker network

srcs/requirements/mariadb/Dockerfile

@@ -10,15 +10,12 @@ RUN	apt update && apt install -y \
 	&& \
 	rm -rf /var/lib/apt/lists/*
 
+# (NOT NECESSARY : DONE BY WP)
 # configure wp database
 RUN	service mysql start && \
 	mariadb --execute="CREATE DATABASE ${DB_NAME};" && \
 	mariadb --execute="CREATE USER '${DB_USER}'@'localhost' IDENTIFIED BY '${DB_PSWD}';" && \
-	mariadb --execute="GRANT ALL PRIVILEGES ON &{DB_NAME}.* TO '${DB_USER}'@'localhost' with grant option;"
-
-# alternative : (https://mariadb.com/resources/blog/how-to-install-and-run-wordpress-with-mariadb/)
-#   create database new_wp;
-#   grant all privileges on new_wp.* to wpuser@localhost identified by 'myp@Ssw0Rd';
+	mariadb --execute="GRANT ALL PRIVILEGES ON ${DB_NAME}.* TO '${DB_USER}'@'localhost' with grant option;"
 
 CMD [ "mysqld" ]