From e69ccba8c7711484ec8b4912d51a49b3f44fdaac Mon Sep 17 00:00:00 2001
From: Liz Rice <liz@lizrice.com>
Date: Thu, 22 Jun 2017 16:22:54 +0100
Subject: [PATCH] Docker build hook to add label info

---
 hooks/build | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hooks/build b/hooks/build
index e69de29..a945e03 100644
--- a/hooks/build
+++ b/hooks/build
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+# $IMAGE_NAME var is injected into the build so the tag is correct. 
+docker build --build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` \
+             --build-arg VCS_REF=`git rev-parse --short HEAD` \
+             -t $IMAGE_NAME .