MARIADB_GALERA_CLUSTER_NAME=my_galera
MARIADB_GALERA_MARIABACKUP_USER=my_mariabackup_user
MARIADB_GALERA_MARIABACKUP_PASSWORD=my_mariabackup_password
MARIADB_ROOT_PASSWORD=my_root_password
MARIADB_USER=my_user
MARIADB_PASSWORD=my_password
MARIADB_DATABASE=my_database
MARIADB_REPLICATION_USER=my_replication_user
MARIADB_REPLICATION_PASSWORD=my_replication_password