From daa19a46bd6095f7f03d788fe9cc50eefd295bb9 Mon Sep 17 00:00:00 2001
From: Markus Frosch <markus.frosch@icinga.com>
Date: Wed, 4 Apr 2018 12:06:31 +0200
Subject: [PATCH] image.mk: Use previous version as cache

---
 image.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/image.mk b/image.mk
index ce48c9d..7b951bc 100644
--- a/image.mk
+++ b/image.mk
@@ -22,7 +22,7 @@ pull:
 	docker pull "$(FROM)"
 
 build:
-	docker build -t "$(IMAGE)" .
+	docker build --cache-from "${IMAGE}" --tag "$(IMAGE)" .
 
 push:
 	docker push "$(IMAGE)"
-- 
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