new structure whit other database

src/database/config/AT.config.ts

@@ -0,0 +1,18 @@
+import { TypeOrmModuleAsyncOptions } from '@nestjs/typeorm';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+
+export const dbAT: TypeOrmModuleAsyncOptions = {
+  name: 'dbAT',
+  imports: [ConfigModule],
+  inject: [ConfigService],
+  useFactory: async (config: ConfigService) => ({
+    type: 'mariadb',
+    host: config.get<string>('DB_AT_HOST'),
+    port: config.get<number>('DB_AT_PORT'),
+    username: config.get<string>('DB_AT_USER'),
+    password: config.get<string>('DB_AT_PASSWORD'),
+    database: config.get<string>('DB_AT_NAME'),
+    entities: [],
+    synchronize: false,
+  }),
+};