[Feat] 홈페이지 공유 미리보기 이미지 추가

src/lib/metadata/home.ts

@@ -1,18 +1,39 @@
 import { Metadata } from 'next';
 import { headers } from 'next/headers';
 
+import { API } from '@/api';
+import { GROUP_LIST_PAGE_SIZE } from '@/lib/constants/group-list';
+
 export const generateHomeMetadata = async (keyword?: string): Promise<Metadata> => {
-  const headersList = headers();
-  const host = (await headersList).get('host') || process.env.DOMAIN;
+  const headersList = await headers();
+  const host = headersList.get('host') || process.env.DOMAIN || 'wego.monster';
+  const protocol =
+    headersList.get('x-forwarded-proto') || (host.includes('localhost') ? 'http' : 'https');
   const currentUrl = keyword
-    ? `https://${host}/?keyword=${encodeURIComponent(keyword)}`
-    : `https://${host}/`;
+    ? `${protocol}://${host}/?keyword=${encodeURIComponent(keyword)}`
+    : `${protocol}://${host}/`;
+  const logoImageUrl = `${protocol}://${host}/icons/resizable/icon-wego-logo.svg`;
 
   try {
     if (keyword) {
       const metaTitle = `${keyword} 검색결과 | WeGo`;
       const metaDescription = `"${keyword}"에 대한 모임 검색 결과를 확인해보세요.`;
 
+      let searchImageUrl = logoImageUrl;
+      try {
+        const searchResponse = await API.groupService.getGroups({
+          size: GROUP_LIST_PAGE_SIZE,
+          keyword,
+        });
+        const firstGroupImage = searchResponse.items[0]?.images?.[0];
+        if (firstGroupImage) {
+          searchImageUrl = firstGroupImage;
+        }
+      } catch (error) {
+        // 실패 시 기본 로고 이미지 사용
+        console.error('이미지를 가져오는데 실패했습니다:', error);
+      }
+
       return {
         title: metaTitle,
         description: metaDescription,
@@ -24,11 +45,20 @@ export const generateHomeMetadata = async (keyword?: string): Promise<Metadata>
           locale: 'ko_KR',
           type: 'website',
           url: currentUrl,
+          images: [
+            {
+              url: searchImageUrl,
+              width: 400,
+              height: 400,
+              alt: `${keyword} 검색 결과 모임 이미지`,
+            },
+          ],
         },
         twitter: {
           card: 'summary',
           title: metaTitle,
           description: metaDescription,
+          images: [searchImageUrl],
         },
         robots: {
           index: true,
@@ -54,11 +84,20 @@ export const generateHomeMetadata = async (keyword?: string): Promise<Metadata>
         locale: 'ko_KR',
         type: 'website',
         url: currentUrl,
+        images: [
+          {
+            url: logoImageUrl,
+            width: 400,
+            height: 400,
+            alt: 'WeGo 로고',
+          },
+        ],
       },
       twitter: {
         card: 'summary',
         title: metaTitle,
         description: metaDescription,
+        images: [logoImageUrl],
       },
       robots: {
         index: true,
@@ -78,9 +117,18 @@ export const generateHomeMetadata = async (keyword?: string): Promise<Metadata>
         description: 'WeGo에서 함께할 다양한 모임을 탐색하고 참여하세요.',
         url: currentUrl,
         type: 'website',
+        images: [
+          {
+            url: logoImageUrl,
+            width: 400,
+            height: 400,
+            alt: 'WeGo 로고',
+          },
+        ],
       },
       twitter: {
         card: 'summary',
+        images: [logoImageUrl],
       },
     };
   }