PostgreSQL 데이터 계층 추가

server/api/posts/[slug].get.js

@@ -1,13 +1,13 @@
-import { getSamplePostBySlug } from '../../utils/sample-content'
+import { getPostBySlug } from '../../repositories/content-repository'
 
 /**
  * 공개 게시물 상세 API
  * @param {import('h3').H3Event} event - 요청 이벤트
  * @returns {Object} 게시물 상세
  */
-export default defineEventHandler((event) => {
+export default defineEventHandler(async (event) => {
   const slug = getRouterParam(event, 'slug')
-  const post = getSamplePostBySlug(slug)
+  const post = await getPostBySlug(slug)
 
   if (!post) {
     throw createError({