-CONTAINER_NAME, name of the container, default value is akraino-validation-mariadb
-MARIADB_ROOT_PASSWORD, the desired mariadb root user password, this variable is required
-MARIADB_AKRAINO_PASSWORD, the desired mariadb akraino user password, this variable is required
-REGISTRY, registry of the mariadb image, default value is akraino
-NAME, name of the mariadb image, default value is validation
-TAG_PRE, first part of the image version, default value is mariadb
+CONTAINER_NAME, name of the container, default value is akraino-validation-mysql
+MYSQL_ROOT_PASSWORD, the desired mysql root user password, this variable is required
+MYSQL_AKRAINO_PASSWORD, the desired mysql akraino user password, this variable is required
+REGISTRY, registry of the mysql image, default value is akraino
+NAME, name of the mysql image, default value is validation
+TAG_PRE, first part of the image version, default value is mysql