error validation

src/posts/posts.controller.ts

@@ -0,0 +1,34 @@
+import { Controller, Get, Post, Body, Patch, Param, Delete } from '@nestjs/common';
+import { PostsService } from './posts.service';
+import { CreatePostDto } from './dto/create-post.dto';
+import { UpdatePostDto } from './dto/update-post.dto';
+
+@Controller('posts')
+export class PostsController {
+  constructor(private readonly postsService: PostsService) {}
+
+  @Post()
+  create(@Body() createPostDto: CreatePostDto) {
+    return this.postsService.create(createPostDto);
+  }
+
+  @Get()
+  findAll() {
+    return this.postsService.findAll();
+  }
+
+  @Get(':id')
+  findOne(@Param('id') id: string) {
+    return this.postsService.findOne(+id);
+  }
+
+  @Patch(':id')
+  update(@Param('id') id: string, @Body() updatePostDto: UpdatePostDto) {
+    return this.postsService.update(+id, updatePostDto);
+  }
+
+  @Delete(':id')
+  remove(@Param('id') id: string) {
+    return this.postsService.remove(+id);
+  }
+}