Fixing comment import

backend/src/post/post.controller.ts

@@ -1,4 +1,19 @@
-import { Controller } from '@nestjs/common';
+import { Controller, Get, Param } from '@nestjs/common';
+import { PostService } from './post.service';
 
-@Controller('post')
+@Controller('posts')
-export class PostController {}
+export class PostController {
+
+  constructor(private readonly postService: PostService) {}
+
+  @Get()
+  async findAll() {
+    return this.postService.findAll();
+  }
+
+  @Get(':id/comments')
+  async findCommentsByPostId(@Param('id') postId: string) {
+    return this.postService.findCommentsByPostId(+postId);
+  }
+
+}