From a95c53268a0c9baeae24f41fcfca615aad3b1844 Mon Sep 17 00:00:00 2001
From: kev <vimagick@gmail.com>
Date: Sun, 17 Apr 2016 13:35:44 +0800
Subject: [PATCH] update casperjs

---
 casperjs/Dockerfile | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/casperjs/Dockerfile b/casperjs/Dockerfile
index fb44e45..0fe70b6 100644
--- a/casperjs/Dockerfile
+++ b/casperjs/Dockerfile
@@ -5,9 +5,12 @@
 FROM debian:jessie
 MAINTAINER kev <noreply@datageek.info>
 
-ENV PHANTOM_URL https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2
+ENV PHANTOM_VER 2.1.1
+ENV PHANTOM_URL https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-${PHANTOM_VER}-linux-x86_64.tar.bz2
 ENV PHANTOM_DIR /usr/local/bin
-ENV CASPER_URL https://github.com/n1k0/casperjs/archive/master.tar.gz
+
+ENV CASPER_VER master
+ENV CASPER_URL https://github.com/n1k0/casperjs/archive/${CASPER_VER}.tar.gz
 ENV CASPER_DIR /usr/local/casperjs
 
 RUN set -xe \