switch easy dev env back to mariadb since that issue has been fixed

docker-compose.yml

@@ -8,7 +8,7 @@ version: '3.1'
 services:
  mysql:
  restart: always
- image: mysql:5.7
+ image: mariadb:10.4
  command: ['mysqld','--character-set-server=utf8']
  ports:
  - 8320:3306