💄 style: update some gemini deployment restrictions (lobehub#2149)

* Removing Some Restrictions

* Update route.ts

* update route.ts

* Update route.test.ts

src/app/api/chat/google/route.test.ts

@@ -15,7 +15,8 @@ describe('Configuration tests', () => {
   });
 
   it('should contain specific regions in preferredRegion', () => {
-    expect(preferredRegion).not.contain(['hk1']);
+    expect(preferredRegion).not.contain(['hkg1']);
+    expect(preferredRegion).not.contain(['dub1']);
   });
 });
 

src/app/api/chat/google/route.ts

@@ -13,7 +13,25 @@ import { POST as UniverseRoute } from '../[provider]/route';
 // so if you want to use with proxy, you need comment the code below
 export const runtime = 'edge';
 
-// due to gemini-1.5-pro only can be used in us, so we need to set the preferred region only in US
-export const preferredRegion = ['cle1', 'iad1', 'pdx1', 'sfo1'];
+// due to Gemini-1.5-pro is not available in Hong Kong and Ireland, we need to set the preferred region to exclude "Hong Kong" or "Ireland".
+// refs: https://github.com/lobehub/lobe-chat/pull/2149
+export const preferredRegion = [
+  'icn1', 
+  'sin1', 
+  'hnd1', 
+  'kix1',
+  'bom1', 
+  'cdg1',
+  'lhr1', 
+  'cpt1',
+  'pdx1', 
+  'arn1',
+  'cle1',
+  'syd1',
+  'iad1', 
+  'fra1', 
+  'sfo1',
+  'gru1'
+];
 
 export const POST = async (req: Request) => UniverseRoute(req, { params: { provider: 'google' } });