perf : not ask me i copy from another projeft

db/index.ts

@@ -2,5 +2,13 @@ import { drizzle } from "drizzle-orm/postgres-js";
 import postgres from "postgres";
 import * as schema from "./schema";
 
-const client = postgres(process.env.DATABASE_URL!);
-export const db = drizzle(client, { schema });
+const globalForDb = globalThis as unknown as { pgClient: ReturnType<typeof postgres> };
+
+if (!globalForDb.pgClient) {
+  globalForDb.pgClient = postgres(process.env.DATABASE_URL!, {
+    max: 5,
+    idle_timeout: 20,
+  });
+}
+
+export const db = drizzle(globalForDb.pgClient, { schema });