test: validation pipe

apps/gateway/src/main.ts

@@ -3,7 +3,7 @@
  * This is only a minimal backend to get started.
  */
 
-import { Logger } from "@nestjs/common";
+import { Logger, ValidationPipe } from "@nestjs/common";
 import { NestFactory } from "@nestjs/core";
 
 import { AppModule } from "./app/app.module";
@@ -49,6 +49,8 @@ async function bootstrap() {
   fs.writeFileSync("./gateway-swagger.json", JSON.stringify(document));
   SwaggerModule.setup("api", app, document);
 
+  app.useGlobalPipes(new ValidationPipe());
+
   const port = gatewayConfig.httpPort || 3000;
 
   await app.listen(port, gatewayConfig.host);