addet volumes

mariadb/.env

@@ -1,2 +1,3 @@
 MARIADB_ROOT_PASSWORD=supersecurepassword
 ADMINER_PORT=9443
+DB_PATH=./db

mariadb/docker-compose.yml

@@ -4,7 +4,8 @@ services:
     restart: unless-stopped
     environment:
       MARIADB_ROOT_PASSWORD: ${MARIADB_ROOT_PASSWORD}
-
+    volumes:
+      - ${DB_PATH}:/var/lib/mysql:Z
   adminer:
     image: adminer
     restart: unless-stopped