Fix wordpress volumes_from

ERROR: The Compose file './docker/wordpress/wordpress.yml' is invalid because:
Unsupported config option for services.isard-apps-wordpress-cli: 'volumes_from'

docker/wordpress/wordpress.yml

@@ -1,11 +1,7 @@
 version: '3.7'
-services:
+
-  isard-apps-wordpress:
+x-volumes:
-    image: wordpress:latest # https://hub.docker.com/_/wordpress/
+  &wordpress-volumes
-    container_name: isard-apps-wordpress
-#    ports:
-#      - ${IP}:80:80 # change ip if required
-    volumes:
   - /etc/localtime:/etc/localtime:ro
   - ${BUILD_ROOT_PATH}/docker/wordpress/src/config/php.conf.ini:/usr/local/etc/php/conf.d/conf.ini
   - ${SRC_FOLDER}/wordpress:/var/www/html # Full wordpress project
@@ -13,9 +9,15 @@ services:
   - ${BUILD_ROOT_PATH}/docker/wordpress/.htaccess:/var/www/html/.htaccess:ro
   - ${BUILD_ROOT_PATH}/docker/wordpress/multisite.sh:/multisite.sh:ro
   - ${DATA_FOLDER}/wordpress:/var/www/html/wp-content/uploads
-      #- ${BUILD_ROOT_PATH}/docker/wordpress/plugins/miniorange-saml-20-single-sign-on/:/var/www/html/wp-content/plugins/miniorange-saml-20-single-sign-on  
+
-      #- ./plugin-name/trunk/:/var/www/html/wp-content/plugins/plugin-name # Plugin development
+services:
-      #- ./theme-name/trunk/:/var/www/html/wp-content/themes/theme-name # Theme development
+  isard-apps-wordpress:
+    image: wordpress:latest # https://hub.docker.com/_/wordpress/
+    container_name: isard-apps-wordpress
+#    ports:
+#      - ${IP}:80:80 # change ip if required
+    volumes:
+      *wordpress-volumes
     environment:
       WORDPRESS_DB_HOST: isard-apps-mariadb
       WORDPRESS_DB_NAME: "wordpress"
@@ -32,8 +34,8 @@ services:
   isard-apps-wordpress-cli:
     image: wordpress:cli
     container_name: isard-apps-wordpress-cli
-    volumes_from:
+    volumes:
-      - isard-apps-wordpress
+      *wordpress-volumes
     command: >
       bash -c 'wp core install --path="/var/www/html" --url=wp.${DOMAIN} --title=${TITLE} --admin_user=${WORDPRESS_ADMIN_USER} --admin_password=${WORDPRESS_ADMIN_PASSWORD} --admin_email=${SMTP_USER}
       && wp core multisite-convert'