Make sure to change the passwords included in the file:
-`DB_PASSWORD` for server
-`MARIADB_PASSWORD` for db
-`MARIADB_ROOT_PASSWORD` for db
You'll also need to import the database from [the source code repository](https://raw.githubusercontent.com/Cvolton/GMDprivateServer/master/database.sql).
For more details, check [the project wiki](https://github.com/Cvolton/GMDprivateServer/wiki)