Worked on enhancing configuration flexibility in the MariaDB/server repository by implementing a feature that allows the MARIADB_GROUP_SUFFIX environment variable to take precedence over MYSQL_GROUP_SUFFIX when the --default-group-suffix argument is not specified. This change streamlined deployment processes by reducing configuration friction across different environments. The solution was developed in C and focused on environment variable management and server administration, ensuring that option group suffixes could be set more intuitively. The work directly addressed issue MDEV-21375, with changes validated through Git-based workflows, reflecting a methodical approach to configuration management and code integration within the MariaDB/server codebase.