Dockerfile

FROM fedora:35
LABEL maintainer="Stefan Jakobs"
ENV container=docker

ENV pip_packages ""

RUN dnf -y update && dnf clean all

# Enable systemd.
RUN dnf -y install systemd && dnf clean all && \
  (cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \
  rm -f /lib/systemd/system/multi-user.target.wants/*;\
  rm -f /etc/systemd/system/*.wants/*;\
  rm -f /lib/systemd/system/local-fs.target.wants/*; \
  rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
  rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
  rm -f /lib/systemd/system/basic.target.wants/*;\
  rm -f /lib/systemd/system/anaconda.target.wants/*;

# Install pip and other requirements.
RUN dnf makecache \
  && dnf -y install \
    python3-pip \
    sudo \
    which \
    python3-dnf \
  && dnf clean all

# Install Ansible requirements via Pip.
RUN if [ -n "${pip_packages}" ]; then pip3 install $pip_packages; fi

# Disable requiretty.
RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers

VOLUME ["/sys/fs/cgroup", "/tmp", "/run"]
CMD ["/usr/sbin/init"]