diff --git a/backend/app/core/config.py b/backend/app/core/config.py
index 1c370ac..fe9082c 100644
--- a/backend/app/core/config.py
+++ b/backend/app/core/config.py
@@ -1,9 +1,13 @@
+import os
 # Variables de conexión S3/MinIO
-MINIO_ENDPOINT = os.getenv('MINIO_ENDPOINT', 'http://localhost:9000')
+MINIO_HOST = os.getenv('MINIO_HOST', 'localhost')
+MINIO_SECURE = os.getenv('MINIO_SECURE', 'false').lower() == 'true'
+MINIO_PORT = int(os.getenv('MINIO_PORT', '9000'))
 MINIO_ACCESS_KEY = os.getenv('MINIO_ACCESS_KEY', 'minioadmin')
 MINIO_SECRET_KEY = os.getenv('MINIO_SECRET_KEY', 'minioadmin')
 MINIO_IMAGE_BUCKET = os.getenv('MINIO_IMAGE_BUCKET', 'images')
 MINIO_PDF_BUCKET = os.getenv('MINIO_PDF_BUCKET', 'pdfs')
+MINIO_ENDPOINT = f"{'https' if MINIO_SECURE else 'http'}://{MINIO_HOST}:{MINIO_PORT}"
 from pydantic_settings import BaseSettings
 
 class Settings(BaseSettings):
diff --git a/backend/app/main.py b/backend/app/main.py
index cd26c0d..b6b5466 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -8,12 +8,13 @@ import os
 import boto3
 from botocore.client import Config
 import uuid
+from app.core import config as app_config
 # S3/MinIO configuration
-S3_ENDPOINT = os.getenv('MINIO_ENDPOINT', 'http://localhost:9000')
-S3_ACCESS_KEY = os.getenv('MINIO_ACCESS_KEY', 'minioadmin')
-S3_SECRET_KEY = os.getenv('MINIO_SECRET_KEY', 'minioadmin')
-S3_IMAGE_BUCKET = os.getenv('MINIO_IMAGE_BUCKET', 'images')
-S3_PDF_BUCKET = os.getenv('MINIO_PDF_BUCKET', 'pdfs')
+S3_ENDPOINT = app_config.MINIO_ENDPOINT
+S3_ACCESS_KEY = app_config.MINIO_ACCESS_KEY
+S3_SECRET_KEY = app_config.MINIO_SECRET_KEY
+S3_IMAGE_BUCKET = app_config.MINIO_IMAGE_BUCKET
+S3_PDF_BUCKET = app_config.MINIO_PDF_BUCKET
 
 s3_client = boto3.client(
     's3',
@@ -1696,14 +1697,17 @@ def export_inspection_to_pdf(
     # ...existing code for PDF generation...
     doc.build(elements)
     buffer.seek(0)
+    # Guardar localmente para depuración
+    with open(f"/tmp/test_inspeccion_{inspection_id}.pdf", "wb") as f:
+        f.write(buffer.getvalue())
     now = datetime.now()
     folder = f"{now.year}/{now.month:02d}"
     filename = f"inspeccion_{inspection_id}_{inspection.vehicle_plate or 'sin-patente'}.pdf"
     s3_key = f"{folder}/{filename}"
     # Subir PDF a S3/MinIO
+    buffer.seek(0)  # Asegura que el puntero esté al inicio
     s3_client.upload_fileobj(buffer, S3_PDF_BUCKET, s3_key, ExtraArgs={"ContentType": "application/pdf"})
     pdf_url = f"{S3_ENDPOINT}/{S3_PDF_BUCKET}/{s3_key}"
-    # Guardar pdf_url en la inspección
     inspection.pdf_url = pdf_url
     db.commit()
     return {"pdf_url": pdf_url}
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 2347e38..5f30879 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -15,3 +15,4 @@ google-generativeai==0.3.2
 Pillow==10.2.0
 reportlab==4.0.9
 python-dotenv==1.0.0
+boto3==1.34.89
\ No newline at end of file
diff --git a/backend/s3test.py b/backend/s3test.py
new file mode 100644
index 0000000..606be5a
--- /dev/null
+++ b/backend/s3test.py
@@ -0,0 +1,52 @@
+import boto3
+from botocore.client import Config
+from botocore.exceptions import ClientError
+
+MINIO_ENDPOINT = "minioapi.rshtech.com.py"
+MINIO_ACCESS_KEY = "6uEIJyKR2Fi4UXiSgIeG"
+MINIO_SECRET_KEY = "8k0kYuvxD9ePuvjdxvDk8WkGhhlaaee8BxU1mqRW"
+MINIO_IMAGE_BUCKET = "images"
+MINIO_PDF_BUCKET = "pdfs"
+MINIO_SECURE = True  # HTTPS
+MINIO_PORT = 443
+
+
+def main():
+    try:
+        endpoint_url = f"https://{MINIO_ENDPOINT}:{MINIO_PORT}" if MINIO_SECURE \
+                       else f"http://{MINIO_ENDPOINT}:{MINIO_PORT}"
+
+        # Crear cliente S3 compatible para MinIO
+        s3 = boto3.client(
+            "s3",
+            endpoint_url=endpoint_url,
+            aws_access_key_id=MINIO_ACCESS_KEY,
+            aws_secret_access_key=MINIO_SECRET_KEY,
+            config=Config(signature_version="s3v4"),
+            region_name="us-east-1"
+        )
+
+        print("🔍 Probando conexión…")
+
+        # Listar buckets
+        response = s3.list_buckets()
+        print("✅ Conexión exitosa. Buckets disponibles:")
+        for bucket in response.get("Buckets", []):
+            print(f" - {bucket['Name']}")
+
+        # Verificar acceso a buckets específicos
+        for bucket_name in [MINIO_IMAGE_BUCKET, MINIO_PDF_BUCKET]:
+            try:
+                s3.head_bucket(Bucket=bucket_name)
+                print(f"✔ Acceso OK al bucket: {bucket_name}")
+            except ClientError:
+                print(f"❌ No se pudo acceder al bucket: {bucket_name}")
+
+        print("🎉 Test finalizado correctamente.")
+
+    except Exception as e:
+        print("❌ Error:", e)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/backend/test_minio.py b/backend/test_minio.py
new file mode 100644
index 0000000..93ff372
--- /dev/null
+++ b/backend/test_minio.py
@@ -0,0 +1,30 @@
+import os
+from app.core import config as app_config
+import boto3
+from botocore.client import Config
+
+scheme = 'https' if app_config.MINIO_SECURE else 'http'
+endpoint = f"{scheme}://{os.getenv('MINIO_ENDPOINT', 'localhost')}:{app_config.MINIO_PORT}"
+access_key = os.getenv('MINIO_ACCESS_KEY', 'minioadmin')
+secret_key = os.getenv('MINIO_SECRET_KEY', 'minioadmin')
+bucket = os.getenv('MINIO_IMAGE_BUCKET', 'images')
+
+s3 = boto3.client(
+    's3',
+    endpoint_url=endpoint,
+    aws_access_key_id=access_key,
+    aws_secret_access_key=secret_key,
+    config=Config(signature_version='s3v4'),
+    region_name='us-east-1'
+)
+
+try:
+    # List buckets
+    response = s3.list_buckets()
+    print('Buckets:', [b['Name'] for b in response['Buckets']])
+    # Upload test file
+    with open('test_minio.py', 'rb') as f:
+        s3.upload_fileobj(f, bucket, 'test_minio.py')
+    print(f'Archivo subido a bucket {bucket} correctamente.')
+except Exception as e:
+    print('Error:', e)