fix: bug in the content type parser of fastify

src/app.module.ts

@@ -50,7 +50,15 @@ import { WalletsModule } from "./modules/wallets/wallets.module";
     CacheModule.registerAsync(cacheConfig()),
     TypeOrmModule.forRootAsync(databaseConfigs()),
     HttpModule.register({ global: true, timeout: 10000, headers: { "Content-Type": "application/json" } }),
-    FastifyMulterModule,
+    FastifyMulterModule.register({
+      limits: {
+        fileSize: 10 * 1024 * 1024,
+        fieldNameSize: 200,
+        fieldSize: 10 * 1024 * 1024,
+        fields: 10,
+        parts: 10,
+      },
+    }),
     AuthModule,
     UsersModule,
     TicketsModule,

src/main.ts

@@ -10,7 +10,17 @@ import { PaginationInterceptor } from "./core/interceptors/pagination.intercepto
 import { ResponseInterceptor } from "./core/interceptors/response.interceptor";
 async function bootstrap() {
   const logger = new Logger("APP");
-  const app = await NestFactory.create<NestFastifyApplication>(AppModule, new FastifyAdapter());
+
+  const fastifyAdapter = new FastifyAdapter({
+    bodyLimit: 10 * 1024 * 1024,
+  });
+
+  // Add multipart content type parser
+  fastifyAdapter.getInstance().addContentTypeParser("multipart/form-data", (_request, _payload, done) => {
+    done(null);
+  });
+
+  const app = await NestFactory.create<NestFastifyApplication>(AppModule, fastifyAdapter);
 
   app.useGlobalPipes(new ValidationPipe({ transform: true, whitelist: true }));
   app.useGlobalInterceptors(new ResponseInterceptor(), new PaginationInterceptor(), new ClassSerializerInterceptor(app.get(Reflector)));

src/modules/discounts/providers/discounts.service.ts

@@ -384,7 +384,7 @@ export class DiscountsService {
     });
 
     for (const plan of subscriptionPlans) {
-      plan.directDiscount = null!;
+      plan.directDiscount = null;
       plan.price = new Decimal(plan.originalPrice);
       await queryRunner.manager.save(SubscriptionPlan, plan);
     }

src/modules/subscriptions/entities/subscription.entity.ts

@@ -32,7 +32,7 @@ export class SubscriptionPlan extends BaseEntity {
   userSubscriptions: UserSubscription[];
 
   @ManyToOne(() => Discount, (discount) => discount.subscriptionPlans, { nullable: true, onUpdate: "CASCADE" })
-  directDiscount?: Discount;
+  directDiscount: Discount | null;
 
   @DeleteDateColumn({ nullable: true })
   deletedAt?: Date;