ansible-alpine-docker

FROM alpine:latest

# Sudo to emulate OS behavior
RUN apk --update add ca-certificates \
                     openssl \
                     sudo

RUN apk --update add --virtual build-dependencies \
                     python3-dev \
                     libffi-dev \
                     openssl-dev \
                     build-base

RUN apk add --no-cache python3 && \
    python3 -m ensurepip && \
    rm -r /usr/lib/python*/ensurepip && \
    pip3 install --upgrade pip setuptools && \
    if [ ! -e /usr/bin/pip ]; then ln -s pip3 /usr/bin/pip ; fi && \
    if [[ ! -e /usr/bin/python ]]; then ln -sf /usr/bin/python3 /usr/bin/python; fi && \
    rm -r /root/.cache

# Ansible with Docker support
RUN pip3 install --upgrade ansible
RUN pip3 install --upgrade pycrypto \
                           pywinrm

# https://github.com/ansible/ansible/issues/20492
RUN pip3 uninstall docker
RUN pip3 uninstall docker-compose
RUN pip3 uninstall docker-py

RUN pip3 install docker==3.7.1 && \
    # https://github.com/paramiko/paramiko/issues/1369#issuecomment-456940895
    pip3 install cryptography==2.4.2

RUN apk --update add --no-cache rsync

RUN apk del build-dependencies && \
    rm -rf /var/cache/apk/*

RUN mkdir -p /root/.ssh && \
    echo "Host *" > /root/.ssh/config && \
    echo "    IdentityFile /root/.ssh/id_rsa" >> /root/.ssh/config

RUN mkdir /ansible
WORKDIR /ansible

CMD [ "ansible", "--version"]