From 9cdbc58e5bc65a44463c2e8f98d6bede43459938 Mon Sep 17 00:00:00 2001
From: Tim Head <betatim@gmail.com>
Date: Wed, 25 Oct 2017 08:06:08 +0200
Subject: [PATCH] Remove intermediate containers for successful and failed
 builds

---
 repo2docker/detectors.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/repo2docker/detectors.py b/repo2docker/detectors.py
index 01d53049..ebd15052 100644
--- a/repo2docker/detectors.py
+++ b/repo2docker/detectors.py
@@ -739,6 +739,8 @@ class DockerBuildPack(BuildPack):
                     'JUPYTERHUB_VERSION': self.jupyterhub_version,
                 },
                 decode=True,
+                forcerm=True,
+                rm=True
         ):
             yield line