TypeOrmModule.forRoot - dynamic configuration about typeorm HOT 4 CLOSED

const settings = dotenv.parse(fs.readFileSync(filePath));
const app = await NestFactory.create(AppModule.forRoot(settings));
...

export class AppModule {
    static forRoot(settings: APISettings): DynamicModule {
        return {
            module: AppModule,
            imports: [
                // This module has a ConfigurationService, which
                // does the same as described in the docs
                // but it does not read the env file.
                AppSettingsModule.forRoot(settings),
                DatabaseModule.forRoot(settings),
                ...
            ]
        };
    }
}

export function getOrmConfig(settings: IDatabaseSettings) {
     return {
            type: 'postgres',
            host: settings.host,
            port: settings.port,
            username: settings.username,
            password: settings.password,
            database: settings.database,
            entities,
            synchronize: true,
            logging: true,
        };
}

export class DatabaseModule {
  public static forRoot(settings: IDatabaseSettings): DynamicModule {
    const ormConfig = getOrmConfig(settings);
    return {
      module: DatabaseModule,
      imports: [
        TypeOrmModule.forRoot(ormConfig)
      ],
      components: [
        DatabaseService,
      ],
      exports: [
        DatabaseService
      ]
    };
  }
}

import { MyAPI } from 'my-api';

// Bootstraps the NestJS configuration and calls await NestFactory.create(AppModule.forRoot(settings));
new MyAPI({ databaseHost: 'postgres', ... }).run();