diff --git a/index.js b/index.js
index 639478d..02643c0 100644
--- a/index.js
+++ b/index.js
@@ -26,14 +26,33 @@ app.use(authRoutes);
 app.use(fileRoutes);
 app.use(helmet());
 
-app.get("/", async (req, res) => {
-  const engine =
-    process.env.STORAGE_MODE === "s3"
-      ? require("./engines/s3.engine")
-      : require("./engines/local.engine");
+const s3 = require("./engines/s3.engine");
+const local = require("./engines/local.engine");
+const storageMode = process.env.STORAGE_MODE || "local";
 
-  const { gatherStatistics } = engine;
-  const { uploads, size } = await gatherStatistics();
+app.get("/", async (req, res) => {
+  let storageEngine;
+
+  if (storageMode === "local") {
+    storageEngine = local(
+      multerOptions,
+      fileNameLength,
+      process.env.LOCAL_UPLOAD_PATH,
+    );
+  } else if (storageMode === "s3") {
+    const s3Config = {
+      accessKeyId: process.env.AWS_ACCESS_KEY_ID,
+      secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY,
+      region: process.env.AWS_REGION,
+      bucketName: process.env.S3_BUCKET_NAME,
+      endpoint: process.env.S3_ENDPOINT,
+    };
+    storageEngine = s3(multerOptions, fileNameLength, s3Config);
+  } else {
+    throw new Error("Invalid STORAGE_MODE");
+  }
+
+  const { uploads, size } = await storageEngine.gatherStatistics();
   res.render("index", {
     totalUploads: uploads,
     totalSize: size.toFixed(2),