FROM {{ .Image }} USER root RUN sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-* && \ sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-* RUN yum update -y RUN yum install -y kernel systemd sudo RUN dracut --no-hostonly --regenerate-all --force && \ cd /boot && \ ln -s $(find . -name 'vmlinuz-*') vmlinuz && \ ln -s $(find . -name 'initramfs-*.img') initrd.img RUN echo "root:{{- if .Password}}{{ .Password}}{{- else}}root{{- end}}" | chpasswd