- Change base image to Alpine 3.4.

Dockerfile

-FROM python:2.7
+FROM alpine:3.4
 MAINTAINER Nimrod Adar <nimrod@shore.co.il>
-RUN pip install ansible==2.1.1.0 testinfra==1.4.1 awscli boto
+RUN apk add --no-cache --update py-pip python-dev libffi-dev openssl-dev git build-base && \
+    pip install awscli boto testinfra ansible-lint pre-commit ansible==2.1.2.0 && \
+    rm -rf /tmp/* /var/tmp/* /var/lib/apt/lists/*