Notionを無料でブログ化できる！astro-notion-blogの使い方

--- a/src/pages/posts/[slug].astro
+++ b/src/pages/posts/[slug].astro
@@ -1,5 +1,6 @@
 ---
 import * as interfaces from '../../lib/interfaces.ts'
+import { FOOTER_PAGE_ID } from '../../server-constants.ts'
 import {
   getPosts,
   getAllPosts,
@@ -38,9 +39,10 @@ if (!post) {
   throw new Error('Post not found. slug: ${slug}')
 }

-const [blocks, allPosts, rankedPosts, recentPosts, tags, postsHavingSameTag] =
+const [blocks, footerBlocks, allPosts, rankedPosts, recentPosts, tags, postsHavingSameTag] =
   await Promise.all([
     getAllBlocksByBlockId(post.PageId),
+    getAllBlocksByBlockId(FOOTER_PAGE_ID),
     getAllPosts(),
     getRankedPosts(),
     getPosts(5),
@@ -109,6 +111,7 @@ if (post.FeaturedImage && post.FeaturedImage.Url) {

       <footer>
         <PostRelativeLink prevPost={prevPost} nextPost={nextPost} />
+        <PostBody blocks={footerBlocks} />
       </footer>
     </div>
   </div>
diff --git a/src/server-constants.ts b/src/server-constants.ts
index 89a647e..cff40c4 100644
--- a/src/server-constants.ts
+++ b/src/server-constants.ts
@@ -2,6 +2,8 @@ export const NOTION_API_SECRET =
   import.meta.env.NOTION_API_SECRET || process.env.NOTION_API_SECRET || ''
 export const DATABASE_ID =
   import.meta.env.DATABASE_ID || process.env.DATABASE_ID || ''
+export const FOOTER_PAGE_ID =
+  import.meta.env.FOOTER_PAGE_ID || process.env.FOOTER_PAGE_ID || ''

 export const CUSTOM_DOMAIN =
   import.meta.env.CUSTOM_DOMAIN || process.env.CUSTOM_DOMAIN || '' // <- Set your costom domain if you have. e.g. alpacat.com