From 657336cf7c267b883548d88b2d8361ad1fd3ab7d Mon Sep 17 00:00:00 2001
From: jalr <mail@jalr.de>
Date: Sat, 31 Mar 2018 21:45:23 +0200
Subject: [PATCH] Add cache-from to use cache layers

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 8ee8dde..df0153c 100644
--- a/Makefile
+++ b/Makefile
@@ -41,7 +41,7 @@ clean:
 
 .PHONY: dockerimg
 dockerimg:
-	docker build --pull -t "$(DOCKER_IMAGE)" --build-arg "PACKER_VERSION=$(PACKER_VERSION)" docker
+	docker build --pull -t "$(DOCKER_IMAGE)" --cache-from "$(DOCKER_IMAGE)" --build-arg "PACKER_VERSION=$(PACKER_VERSION)" docker
 
 images:
 	[ ! -d "$@" ] && mkdir "$@"