1 files changed, 7 insertions, 3 deletions

diff --git a/ubuntu16.04-onbuild/Dockerfile b/ubuntu16.04-onbuild/Dockerfile
index cc28d8c..6b53763 100644
--- a/ubuntu16.04-onbuild/Dockerfile
+++ b/ubuntu16.04-onbuild/Dockerfile
@@ -12,15 +12,19 @@ FROM ubuntu:16.04
 MAINTAINER William Yeh <william.pjyeh@gmail.com>
 
 
-RUN DEBIAN_FRONTEND=noninteractive  apt-get update  && \
+RUN echo "===> Adding Ansible's PPA..."  && \
+    echo "deb http://ppa.launchpad.net/ansible/ansible/ubuntu xenial main" | tee /etc/apt/sources.list.d/ansible.list           && \
+    echo "deb-src http://ppa.launchpad.net/ansible/ansible/ubuntu xenial main" | tee -a /etc/apt/sources.list.d/ansible.list    && \
+    apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 7BB9C367    && \
+    DEBIAN_FRONTEND=noninteractive  apt-get update  && \
     \
     \
     echo "===> Installing Ansible..."  && \
     apt-get install -y ansible  && \
     \
     \
-    echo "===> Clean up..."              && \
-    rm -rf /var/lib/apt/lists/*          && \
+    echo "===> Removing Ansible PPA..."  && \
+    rm -rf /var/lib/apt/lists/*  /etc/apt/sources.list.d/ansible.list  && \
     \
     \
     echo "===> Adding hosts for convenience..."  && \