add kubeasz dockerfiles

dockerfiles/ansible/Dockerfile

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+# Dockerfile for building Ansible image for Alpine 3
+# Origin from https://github.com/William-Yeh/docker-ansible
+
+FROM alpine:3.8
+
+RUN \ 
+    echo "===> Adding Python runtime..."  && \
+    apk --update add python py-pip openssl ca-certificates    && \
+    apk --update add --virtual build-dependencies \
+        python-dev libffi-dev openssl-dev build-base          && \
+    pip install --upgrade pip cffi                            && \
+    \
+    \
+    echo "===> Installing Ansible..."  && \
+    pip install ansible==2.6.12        && \
+    \
+    \
+    echo "===> Installing handy tools..."          && \
+    pip install --upgrade pycrypto                 && \
+    apk --update add bash openssh-client rsync     && \
+    \
+    \
+    echo "===> Removing package list..."  && \
+    apk del build-dependencies            && \
+    rm -rf /var/cache/apk/*               && \
+    rm -rf /root/.cache
+
+# default command: display Ansible version
+CMD [ "ansible", "--version" ]

dockerfiles/kubeasz/Dockerfile

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+# NOTE: Prepare following Requirements and Build the image "kubeasz:$TAG"
+# Requirement 1: git clone https://github.com/gjmzj/kubeasz.git 
+# Requirement 2: download binaries at https://pan.baidu.com/s/1c4RFaA, and put into dir 'kubeasz/bin'
+# Build: docker build -t kubeasz:$TAG .
+
+FROM jmgao1983/ansible:v2.6 
+
+COPY kubeasz/ /etc/ansible
+
+CMD [ "sleep", "360000000" ]