Adding validation pipe to modules

backend/src/album/album.module.ts

@@ -7,7 +7,17 @@ import { AlbumService } from './album.service';
 @Module({
   imports: [TypeOrmModule.forFeature([Album])],
   controllers: [AlbumController],
-  providers: [AlbumService],
+  providers: [
+    AlbumService,
+    {
+      provide: APP_PIPE,
+      useValue: new ValidationPipe({
+        whitelist: true,
+        forbidNonWhitelisted: true,
+        transform: true,
+      }),
+    },
+  ],
   exports: [TypeOrmModule]
 })
 export class AlbumModule {}

backend/src/song/song.module.ts

@@ -11,7 +11,17 @@ import { SongService } from './song.service';
     AlbumModule
   ],
   controllers: [SongController],
-  providers: [SongService],
+  providers: [
+    SongService,
+    {
+      provide: APP_PIPE,
+      useValue: new ValidationPipe({
+        whitelist: true,
+        forbidNonWhitelisted: true,
+        transform: true,
+      }),
+    },
+  ],
   exports: [TypeOrmModule]
 })
 export class SongModule {}