diff --git a/app/api/stores/template/route.ts b/app/api/stores/template/route.ts
index b8b1d300..4f6f8880 100644
--- a/app/api/stores/template/route.ts
+++ b/app/api/stores/template/route.ts
@@ -24,7 +24,16 @@ interface TemplateFile {
 }
 
 // Configuración de S3
-const s3Client = new S3Client()
+const s3Client = new S3Client({
+  region: process.env.REGION_BUCKET || 'us-east-2',
+  credentials:
+    process.env.ACCESS_KEY_ID && process.env.SECRET_ACCESS_KEY
+      ? {
+          accessKeyId: process.env.ACCESS_KEY_ID,
+          secretAccessKey: process.env.SECRET_ACCESS_KEY,
+        }
+      : undefined,
+})
 
 const BUCKET_NAME = process.env.BUCKET_NAME || ''
 const CLOUDFRONT_DOMAIN = process.env.CLOUDFRONT_DOMAIN_NAME || ''
@@ -210,7 +219,7 @@ function generateTemplateUrls(
     const baseUrl =
       CLOUDFRONT_DOMAIN && APP_ENV === 'production'
         ? `https://${CLOUDFRONT_DOMAIN}`
-        : `https://${BUCKET_NAME}.s3.${process.env.AWS_REGION_BUCKET || 'us-east-2'}.amazonaws.com`
+        : `https://${BUCKET_NAME}.s3.${process.env.REGION_BUCKET || 'us-east-2'}.amazonaws.com`
 
     urls[path] = `${baseUrl}/${key}`
   })
diff --git a/lib/store-renderer/services/template-loader.ts b/lib/store-renderer/services/template-loader.ts
index fbc766f8..b2e3e127 100644
--- a/lib/store-renderer/services/template-loader.ts
+++ b/lib/store-renderer/services/template-loader.ts
@@ -24,7 +24,16 @@ class TemplateLoader {
 
     // Solo inicializar S3 si tenemos bucket configurado
     if (this.bucketName) {
-      this.s3Client = new S3Client()
+      this.s3Client = new S3Client({
+        region: process.env.REGION_BUCKET || 'us-east-2',
+        credentials:
+          process.env.ACCESS_KEY_ID && process.env.SECRET_ACCESS_KEY
+            ? {
+                accessKeyId: process.env.ACCESS_KEY_ID,
+                secretAccessKey: process.env.SECRET_ACCESS_KEY,
+              }
+            : undefined,
+      })
     }
   }