First ansible build

Dockerfile

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+# syntax = tonistiigi/dockerfile:runmount20180618
+
+FROM centos:7.5.1804
+LABEL maintainer="surkov.v@sdsys.ru"
+
+RUN --mount=type=bind,source=./files,target=/tmp/files \
+    yum install -y epel-release \
+    && yum install -y python2-pip \
+    && pip install -r /tmp/files/requirements.txt

files/requirements.txt

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+ansible>=2.5.0,!=2.7.0
+jinja2>=2.9.6
+netaddr
+pbr>=1.6
+hvac