Run ansible inside a container!

Dockerfile

FROM centos:7

WORKDIR /etc/ansible
COPY . .

ENV LC_ALL en_US.UTF-8

RUN yum update -y \
    && yum upgrade -y \
    && yum install -y epel-release \
    && yum install -y \
        python3-pip \
        openssh-clients \
        sshpass \
    && pip3 install --upgrade pip \
    && pip3 install ansible-core==2.11.12 \
    && pip3 install ansible ansible-lint \
    && yum -y remove epel-release \
    && yum clean all \
    && rm -rf /root/.cache/pip

ENTRYPOINT ["ansible-playbook", "-m", "ping", "all"]

hosts.ini

www ansible_host=172.18.0.11