feat: container registry friendly docker images and all-in-one container (#3193)

Co-authored-by: Balu Babu <balub997@gmail.com>

packages/hoppscotch-backend/src/app.controller.ts

@@ -0,0 +1,9 @@
+import { Controller, Get } from '@nestjs/common';
+
+@Controller('ping')
+export class AppController {
+  @Get()
+  ping(): string {
+    return 'Success';
+  }
+}