diff --git a/.gitignore b/.gitignore
index e9ce555f..ab05a8fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /frappe-bench/**/*
 !/frappe-bench/Procfile_docker
 !/frappe-bench/sites/common_site_config_docker.json
+/data_dir
diff --git a/docker-compose.yml b/docker-compose.yml
index a8beba0b..b5a5b0ee 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,6 +7,7 @@ services:
       - MYSQL_USER=root
     volumes:
       - ./conf/mariadb-conf.d:/etc/mysql/conf.d
+      - ./data_dir:/var/lib/mysql
     ports:
       - "3307:3306" #mariadb-port
     container_name: mariadb