I use UBI minimal docker image from redhat which is based on RHEL but free from license : https://access.redhat.com/documentation/en-us/red_hat_enterprise_linu

I use UBI minimal docker image from redhat which is based on RHEL but free from license : https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html-single/building_running_and_managing_containers/index?extIdCarryOver=true&sc_cid=701f2000000tyBjAAI#using_minimal_red_hat_base_images https://access.redhat.com/documentation/en-us/red_hat_enterp... Pretty small and has most of the things i need : Minimal images are about 92M on disk and 32M compressed. This makes it less than half the size of the standard images.