Systemd Centos Image

docker-compose.yaml

version: '3.8'
services:
  rockylinux:
    privileged: true
    build:
        context: .
        dockerfile: Dockerfile
    image: rockylinux-9-systemd
    cgroup: host
    volumes:
      - /sys/fs/cgroup:/sys/fs/cgroup
    container_name: rockylinux

Dockerfile

FROM rockylinux/rockylinux:9

ENV HTTP_PROXY "http://proxy.infra.dgfip:3128"
ENV HTTPS_PROXY "http://proxy.infra.dgfip:3128"

RUN [ ! -f /usr/sbin/init ] && dnf -y install systemd;

RUN ([ -d /lib/systemd/system/sysinit.target.wants ] && 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/*;

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