diff --git a/00-db/my.cnf b/00-db/my.cnf
new file mode 100644
index 0000000..7761318
--- /dev/null
+++ b/00-db/my.cnf
@@ -0,0 +1,2 @@
+[mysqld]
+innodb_buffer_pool_size = 12G
diff --git a/00-db/mysql-init/00_mysql_user.sql b/00-db/mysql-init/00_mysql_user.sql
new file mode 100644
index 0000000..7665d72
--- /dev/null
+++ b/00-db/mysql-init/00_mysql_user.sql
@@ -0,0 +1,3 @@
+use mysql;
+ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'gitlinK#%01';
+FLUSH PRIVILEGES;
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index ac1de40..5b0932c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,17 +1,24 @@
 version: '3'
 services:
   db:
-    image: mysql:5.7
+    image: mysql:8.4.4
     container_name: mysql-public
     restart: always
-    command: mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci  --innodb_flush_log_at_trx_commit=2 --max_connections=3000
+    command: |
+      mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci  --innodb_flush_log_at_trx_commit=2 --max_connections=3000 --mysql_native_password=ON
     volumes:
+      - ./00-mysql-user-pwd.sql:/docker-entrypoint-initdb.d/1.sql
       - /data/gitlink/packages/00-db/mysql-init:/docker-entrypoint-initdb.d
       - /data/mysql/conf:/etc/mysql/conf.d
       - /data/mysql/logs:/logs
       - /data/mysql/data:/var/lib/mysql
     environment:
       MYSQL_ROOT_PASSWORD: ${MYSQL_PASSWORD}
+    healthcheck:
+      test: [ "CMD", "mysqladmin", "ping", "-h", "localhost" ]
+      interval: 30s
+      timeout: 2s
+      retries: 1
     ports:
       - 3306:3306
     networks:
diff --git a/mysql8-set.txt b/mysql8-set.txt
index 8a1fba9..aa525c1 100644
--- a/mysql8-set.txt
+++ b/mysql8-set.txt
@@ -1 +1 @@
-docker exec -it mysql8 bash mysql -uroot -pgitlink_mysql_password use mysql; ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'gitlink_mysql_password'; FLUSH PRIVILEGES;
\ No newline at end of file
+docker exec -it mysql-public mysql -uroot -pgitlinK#%01 use mysql; ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'gitlinK#%01'; FLUSH PRIVILEGES;
\ No newline at end of file