Fix Error Connect Container Mysql Lastest in Docker

Fix lỗi kết nối đến container mysql cho các phiên bản sau 5.7.
Fix connection error to mysql container for versions after 5.7
Tổng hợp cách fix lỗi trên
-- Connect to the MySQL server
mysql -u root -p
-- Create a new user with the necessary privileges
CREATE USER 'new_user'@'172.18.0.2' IDENTIFIED BY 'new_password';
-- Grant the required privileges to the new user for the specified host
GRANT ALL PRIVILEGES ON . TO 'new_user'@'172.18.0.2' WITH GRANT OPTION;
-- Flush the privileges to apply the changes
FLUSH PRIVILEGES;