fix: Dockerfile environment variables

[Zblocker64]

Fixes error when building bins

#7 25.46 debconf: unable to initialize frontend: Dialog
#7 25.46 debconf: (TERM is not set, so the dialog frontend is not usable.)
#7 25.46 debconf: falling back to frontend: Readline
#7 25.47 debconf: unable to initialize frontend: Readline
#7 25.47 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/aarch64-linux-gnu/perl/5.32.1 /usr/local/share/perl/5.32.1 /usr/lib/aarch64-linux-gnu/perl5/5.32 /usr/share/perl5 /usr/lib/aarch64-linux-gnu/perl-base /usr/lib/aarch64-linux-gnu/perl/5.32 /usr/share/perl/5.32 /usr/local/lib/site_perl) at /usr/share/perl5/Debconf/FrontEnd/Readline.pm line 7.)