diff --git a/src/app/configs/index.ts b/src/app/configs/index.ts
index 1553fd2..796307d 100644
--- a/src/app/configs/index.ts
+++ b/src/app/configs/index.ts
@@ -1,27 +1,39 @@
 import "dotenv/config";
 
+function getEnv(key: string): string {
+  const value = process.env[key];
+
+  if (!value) {
+    throw new Error(`Missing required environment variable: ${key}`);
+  }
+
+  return value;
+}
+
 export const configs = {
-  port: process.env.PORT,
-  env: process.env.NODE_ENV,
-  db_url: process.env.DATABASE_URL,
+  port: getEnv("PORT"),
+  env: getEnv("NODE_ENV"),
+  db_url: getEnv("DATABASE_URL"),
+
   jwt: {
-    access_token: process.env.ACCESS_TOKEN,
-    refresh_token: process.env.REFRESH_TOKEN,
-    access_expires: process.env.ACCESS_EXPIRES,
-    refresh_expires: process.env.REFRESH_EXPIRES,
-    reset_secret: process.env.RESET_SECRET,
-    reset_expires: process.env.RESET_EXPIRES,
-    front_end_url: process.env.FRONT_END_URL,
-    verified_token: process.env.VERIFIED_TOKEN,
+    access_token: getEnv("ACCESS_TOKEN"),
+    access_expires: getEnv("ACCESS_EXPIRES"),
+    reset_secret: getEnv("RESET_SECRET"),
+    reset_expires: getEnv("RESET_EXPIRES"),
+    front_end_url: getEnv("FRONT_END_URL"),
+    verified_token: getEnv("VERIFIED_TOKEN"),
   },
+
   email: {
-    app_email: process.env.APP_USER_EMAIL,
-    app_password: process.env.APP_PASSWORD,
+    app_email: getEnv("APP_USER_EMAIL"),
+    app_password: getEnv("APP_PASSWORD"),
   },
+
   cloudinary: {
-    cloud_name: process.env.CLOUD_NAME,
-    cloud_api_key: process.env.CLOUD_API_KEY,
-    cloud_api_secret: process.env.CLOUD_API_SECRET,
+    cloud_name: getEnv("CLOUD_NAME"),
+    cloud_api_key: getEnv("CLOUD_API_KEY"),
+    cloud_api_secret: getEnv("CLOUD_API_SECRET"),
   },
-  redis_url: process.env.REDIS_URL,
-};
+
+  redis_url: getEnv("REDIS_URL"),
+};
\ No newline at end of file
diff --git a/src/routes.ts b/src/routes.ts
index e873c17..c26296d 100644
--- a/src/routes.ts
+++ b/src/routes.ts
@@ -4,8 +4,8 @@ import orderRoute from "./app/modules/order/order.route.js";
 import planRoute from "./app/modules/plan/plan.route.js";
 import profileRoute from "./app/modules/profile/profile.route.js";
 import supportRoute from "./app/modules/support/support.route.js";
-import templateRoute from "./app/modules/template/template.route";
-import usersRoute from "./app/modules/users/users.route";
+import templateRoute from "./app/modules/template/template.route.js";
+import usersRoute from "./app/modules/users/users.route.js";
 
 const appRouter = Router();
 
diff --git a/src/swaggerOptions.ts b/src/swaggerOptions.ts
index 34fd8ba..088c662 100644
--- a/src/swaggerOptions.ts
+++ b/src/swaggerOptions.ts
@@ -6,8 +6,8 @@ import { orderSwaggerDocs } from "./app/modules/order/order.swagger.js";
 import { planSwaggerDocs } from "./app/modules/plan/plan.swagger.js";
 import { profileSwaggerDocs } from "./app/modules/profile/profile.swagger.js";
 import { supportSwaggerDocs } from "./app/modules/support/support.swagger.js";
-import { templateSwaggerDocs } from "./app/modules/template/template.swagger";
-import { usersSwaggerDocs } from "./app/modules/users/users.swagger";
+import { templateSwaggerDocs } from "./app/modules/template/template.swagger.js";
+import { usersSwaggerDocs } from "./app/modules/users/users.swagger.js";
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);