adapt mariadb with volume and access outside of the stack

docker-compose.yml

@@ -3,11 +3,15 @@ services:
   # mariadb:
   #   image: mariadb
   #   restart: on-failure
+  #   volumes: 
+  #     - database_pokedex:/var/lib/mysql
+  #   ports:
+  #     - '3306:3306'
   #   environment:
   #     MYSQL_ROOT_PASSWORD: root_password    
   #     MYSQL_USER: my_user
   #     MYSQL_PASSWORD: my_password
-#       MYSQL_DATABASE: my_database_name
+  #     MYSQL_DATABASE: my_pokedex
 
   nginx:
     image: nginx:1.19-alpine
@@ -28,3 +32,6 @@ services:
     volumes:
       - '.:/usr/src/app'
     user: 1000:1000
+
+# volumes: 
+#   database_pokedex: