From 61aabf664e199b7504e1ad667f0868cac981d0ce Mon Sep 17 00:00:00 2001
From: Shao Yu Lung <bestlong168@gmail.com>
Date: Thu, 4 May 2017 16:15:28 +0800
Subject: [PATCH] fixing CI build failed

---
 .travis.yml     | 5 +++++
 travis-build.sh | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 7643643..ccbb38d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,11 @@ env:
     - PHP_VERSION=71
     - HUGO_VERSION=0.20.2
 
+# Installing a newer Docker version
+before_install:
+  - sudo apt-get update
+  - sudo apt-get -y -o Dpkg::Options::="--force-confnew" install docker-engine
+
 script: ./travis-build.sh
 
 deploy:
diff --git a/travis-build.sh b/travis-build.sh
index 506d083..8cabad8 100755
--- a/travis-build.sh
+++ b/travis-build.sh
@@ -3,6 +3,12 @@
 #### halt script on error
 set -e
 
+echo '##### Print docker version'
+docker --version
+
+echo '##### Print environment'
+env | sort
+
 #### Build the Docker Images
 if [ -n "${PHP_VERSION}" ]; then
     cp env-example .env