Soluciona el error "debconf: (Can't locate Term/ReadLine.pm in @INC (you may need to install the Term::ReadLine module)"
En este caso muy directo. Tienes un "Dockerfile" y estás creando tu propia imagen/container y recibes este error "debconf: (Can't locate Term/ReadLine.pm in @INC (you may need to install the Term::ReadLine module) (@INC contains: /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.30.0 /usr/local/share/perl/5.30.0 /usr/
lib/x86_64-linux-gnu/perl5/5.30 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.30 /usr/share/perl/5.30 /usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-base) at /usr/share/perl5/Debconf/FrontEnd
/Readline.pm line 7.)"
La solución?, directa!! Instala este paquete antes solucionado!
apt install apt-utils
echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections