Update July 2026: Simply replacing deb with archive may not always do it.
For example, Debian stretch requires additional replacements, but the principle stays the same.
See https://unix.stackexchange.com/a/744408/56290
When maintaining code and, successively, building old (10+ years) Dockerfile images,
problems may arise because the base image may be based off a Debian distribution,
which is no longer available. I.e. /etc/apt/sources.list cointains references,
which no longer exist. For example, ruby:2.3