diff --git a/src/app/api/view/[id]/route.ts b/src/app/api/view/[id]/route.ts
index 34e0c6b..fa87680 100644
--- a/src/app/api/view/[id]/route.ts
+++ b/src/app/api/view/[id]/route.ts
@@ -13,15 +13,22 @@ function xorEncrypt(data: Uint8Array, key: string): Uint8Array {
 
 // Get internal MinIO URL for server-side fetching
 function getInternalFileUrl(fileUrl: string): string {
+    const minioEndpoint = process.env.MINIO_ENDPOINT || 'minio';
+    const minioPort = process.env.MINIO_PORT || '9000';
+
     try {
+        // Format 1: /api/files/bucket/filename (new relative URL)
+        if (fileUrl.startsWith('/api/files/')) {
+            const pathPart = fileUrl.replace('/api/files/', '');
+            return `http://${minioEndpoint}:${minioPort}/${pathPart}`;
+        }
+
+        // Format 2: http://host:port/bucket/filename (old absolute URL)
         const url = new URL(fileUrl);
-        // Extract bucket and file path from URL
         const pathParts = url.pathname.split('/').filter(Boolean);
         if (pathParts.length >= 2) {
             const bucket = pathParts[0];
             const fileName = pathParts.slice(1).join('/');
-            const minioEndpoint = process.env.MINIO_ENDPOINT || 'minio';
-            const minioPort = process.env.MINIO_PORT || '9000';
             return `http://${minioEndpoint}:${minioPort}/${bucket}/${fileName}`;
         }
     } catch (e) {
diff --git a/src/lib/s3.ts b/src/lib/s3.ts
index 302abe0..7dc5546 100644
--- a/src/lib/s3.ts
+++ b/src/lib/s3.ts
@@ -1,7 +1,7 @@
 import { S3Client, DeleteObjectCommand } from "@aws-sdk/client-s3";
 
 export const s3Client = new S3Client({
-    endpoint: `http://${process.env.MINIO_ENDPOINT}:${process.env.MINIO_PORT}`,
+    endpoint: `http://${process.env.MINIO_ENDPOINT || 'minio'}:${process.env.MINIO_PORT || '9000'}`,
     region: "us-east-1",
     credentials: {
         accessKeyId: process.env.MINIO_ACCESS_KEY || "admin",
@@ -12,15 +12,35 @@ export const s3Client = new S3Client({
 
 export const BUCKET_NAME = process.env.MINIO_BUCKET || "portal-transparencia";
 
-// Função para deletar arquivo do MinIO
+// Extract file key from various URL formats
+function extractFileKey(fileUrl: string): string | null {
+    try {
+        // Format 1: /api/files/bucket/filename (new relative URL)
+        if (fileUrl.startsWith('/api/files/')) {
+            const parts = fileUrl.replace('/api/files/', '').split('/');
+            if (parts.length >= 2) {
+                // Skip bucket name, get the rest as key
+                return parts.slice(1).join('/');
+            }
+        }
+
+        // Format 2: http://host:port/bucket/filename (old absolute URL)
+        const url = new URL(fileUrl);
+        const pathParts = url.pathname.split('/').filter(Boolean);
+        if (pathParts.length >= 2) {
+            // Skip bucket name, get the rest as key
+            return pathParts.slice(1).join('/');
+        }
+    } catch (e) {
+        console.error("Error parsing file URL:", e);
+    }
+    return null;
+}
+
+// Delete file from storage
 export async function deleteFile(fileUrl: string) {
     try {
-        // Extrair o key (nome do arquivo) da URL
-        // URL format: http://host:port/bucket/filename
-        const url = new URL(fileUrl);
-        const pathParts = url.pathname.split('/');
-        // Remove empty string and bucket name, get the file key
-        const key = pathParts.slice(2).join('/');
+        const key = extractFileKey(fileUrl);
 
         if (!key) {
             console.error("Could not extract file key from URL:", fileUrl);
@@ -32,10 +52,11 @@ export async function deleteFile(fileUrl: string) {
             Key: key,
         }));
 
-        console.log(`File deleted from MinIO: ${key}`);
+        console.log(`File deleted: ${key}`);
         return { success: true };
     } catch (error) {
-        console.error("Error deleting file from MinIO:", error);
+        console.error("Error deleting file:", error);
         return { success: false };
     }
 }
+