extlinux
collection of bootloaders (Linux ext2/ext3/ext4, btrfs, and xfs bootloader)
RUN apt-get update && \
apt-get install -y extlinux
RUN apt-get update && \
apt-get install -y extlinux
RUN pacman -S --noconfirm extlinux
RUN apt-get update && \
apt-get install -y extlinux
RUN yum install -y extlinux
RUN dnf install -y extlinux