Installing required packages in order to build Ruby using rbenv:

apt-get install autoconf patch build-essential rustc libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libgmp-dev libncurses5-dev libffi-dev libgdbm6 libgdbm-dev libdb-dev uuid-dev

Source: https://github.com/rbenv/ruby-build/wiki?tab=readme-ov-file#suggested-build-environment