s3 functionality

app.py

@@ -87,8 +87,8 @@ if __name__ == "__main__":
         S3_SESSION = session.client(
             service_name='s3',
             endpoint_url=os.getenv('S3_ENDPOINT'),
-            aws_access_key_id=os.getenv('S3_ENDPOINT'),
-            aws_secret_access_key=os.getenv('S3_ENDPOINT'),
+            aws_access_key_id=os.getenv('S3_ACCESS_KEY'),
+            aws_secret_access_key=os.getenv('S3_SECRET_KEY'),
         )
     except:
         print('Failed to start s3 session')