add docker

src/app.controller.spec.ts

@@ -1,22 +0,0 @@
-import {Test, TestingModule} from '@nestjs/testing';
-import {AppController} from './app.controller';
-import {AppService} from './app.service';
-
-describe('AppController', () => {
-    let appController: AppController;
-
-    beforeEach(async () => {
-        const app: TestingModule = await Test.createTestingModule({
-            controllers: [AppController],
-            providers: [AppService],
-        }).compile();
-
-        appController = app.get<AppController>(AppController);
-    });
-
-    describe('root', () => {
-        it('should return "Hello World!"', () => {
-            expect(appController.getHello()).toBe('Hello World!');
-        });
-    });
-});

src/main.ts

@@ -21,6 +21,6 @@ async function bootstrap() {
     const document = SwaggerModule.createDocument(app, options);
     SwaggerModule.setup('api', app, document);
 
-    await app.listen(4003);
+    await app.listen(3000);
 }
 bootstrap();