fix: s3

server.py

@@ -299,13 +299,13 @@ def create_app() -> Flask:
                 file_stream,
                 S3_BUCKET_NAME,
                 file_key,
-                ExtraArgs={'ContentType': 'image/jpeg', 'ACL': 'public-read'} # ACL optional depending on bucket settings
+                ExtraArgs={'ContentType': 'image/jpeg'}
+            )
+            s3_url = s3_client.generate_presigned_url(
+                'get_object',
+                Params={'Bucket': S3_BUCKET_NAME, 'Key': file_key},
+                ExpiresIn=3600
             )
-            
-            # Construct URL
-            # Note: This assumes standard AWS S3 URL format. Adjust if using CloudFront.
-            s3_url = f"https://{S3_BUCKET_NAME}.s3.amazonaws.com/{file_key}"
-            
             return jsonify({
                 "status": "success",
                 "url": s3_url