diff --git a/server.ts b/server.ts
index ba89061..1fa83cb 100644
--- a/server.ts
+++ b/server.ts
@@ -8,6 +8,8 @@ import { join } from 'path';
 
 // Express server
 export const app = express();
+const PORT = process.env.PORT || 4000;
+
 
 app.use(compression());
 app.use(cors());
diff --git a/serverless.yml b/serverless.yml
index b337e96..a6eefd1 100644
--- a/serverless.yml
+++ b/serverless.yml
@@ -8,8 +8,9 @@ plugins:
 provider:
   name: aws
   runtime: nodejs12.x
-  memorySize: 192
+  memorySize: 512
   timeout: 10
+  region: ap-northeast-2
   stage: ${opt:stage, 'dev'}
 
 package: