diff --git a/apps/server/src/index.ts b/apps/server/src/index.ts
index 92df8af..bc29276 100644
--- a/apps/server/src/index.ts
+++ b/apps/server/src/index.ts
@@ -1 +1,30 @@
-console.log("Server is running!");
\ No newline at end of file
+// src/index.ts
+import { Server } from "socket.io";
+import { createServer } from "http"; // Node.js標準のHTTPサーバー
+import { GameManager } from "./managers/GameManager.js";
+import { SocketManager } from "./network/SocketManager.js";
+
+const PORT = 3000;
+
+// HTTPサーバーとSocket.ioサーバーの作成
+const httpServer = createServer();
+const io = new Server(httpServer, {
+  cors: {
+    origin: "*", // 開発用：どこからでも許可
+    methods: ["GET", "POST"]
+  },
+});
+
+// ゲームマネージャーと通信マネージャーの起動
+const gameManager = new GameManager();
+const socketManager = new SocketManager(io, gameManager);
+
+socketManager.initialize();
+
+// サーバー起動
+httpServer.listen(PORT, () => {
+  console.log(`
+  🚀 Server is running on port ${PORT}
+  waiting for connections...
+  `);
+});
\ No newline at end of file