FROM debian:buster-slim
RUN apt-get update \
    && apt-get install -y locales tcl tk libtcl libtk tcl-dev tk-dev libterm-readline-perl-perl git debhelper \
    && rm -rf /var/lib/apt/lists/* \
    && localedef -i ru_RU -c -f UTF-8 -A /usr/share/locale/locale.alias ru_RU.UTF-8

ENV LANG=ru_RU.utf8

WORKDIR /home/builder