From 96ba653730ff06096c82f1659faf517ee65793bc Mon Sep 17 00:00:00 2001
From: William Murphy <willmurphyscode@gmail.com>
Date: Wed, 4 Jul 2018 11:25:43 -0400
Subject: [PATCH] Build the test docker image if necessary (#10)

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

diff --git a/Makefile b/Makefile
index 168a37c..5af1d41 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@ BIN = die
 all: clean build
 
 run: build
+	docker image ls | grep "die-test" >/dev/null || docker build -t die-test:latest .
 	./build/$(BIN) die-test
 
 build: #deps