MariaDB 11 supplies MySQL-compatible storage for applications such as Booklore, RomM, and other media tools that prefer MariaDB over PostgreSQL. It runs exclusively on db_net and exposes no host ports, reducing the attack surface.【F:databases/compose.yml†L72-L95】
mariadb:11db_netmariadb_data:/var/lib/mysqlMARIADB_ROOT_PASSWORD, MARIADB_AUTO_UPGRADE, timezone--transaction-isolation=READ-COMMITTED, --binlog_format=ROW, and --innodb_flush_log_at_trx_commit=1SELECT 1 against the root account with retries and a 25-second start period.【F:databases/compose.yml†L78-L94】romm_user account; ensure privileges are scoped appropriately.【F:media_serving/compose.yml†L129-L165】db_net and authenticating with service accounts instead of root.【F:monitoring/compose.yml†L170-L215】mysqldump exports via Autorestic or a dedicated backup container if you need point-in-time recovery beyond volume snapshots.MARIADB_AUTO_UPGRADE=1 enables automatic minor upgrades; monitor logs during image refreshes to confirm schema migrations complete without manual intervention.