feat: refactor Notion API integration and update Docker configuration

src/lib/notion/client.ts

@@ -1,14 +1,11 @@
-
 import type { Post } from '../interfaces'
+import { fetchNotionApiJson } from './api'
 
 export async function getPostByPageId(pageId: string): Promise<Post | null> {
   if (!pageId) return null
 
   try {
-    const res = await fetch("https://notion-api.nvme0n1p.dev/v2/posts")
-    if (!res.ok) throw new Error(`Failed to fetch posts: ${res.status}`)
-
-    const payload = (await res.json()) as { posts?: any[] }
+    const payload = await fetchNotionApiJson<{ posts?: any[] }>('/v2/posts')
     const match = (payload.posts ?? []).find((post) => post.id === pageId)
     if (!match) return null