FROM ubuntu:focal

RUN apt -y update

RUN DEBIAN_FRONTEND=noninteractive TZ=UTC \
  apt -yq install \
  build-essential rsync git-core subversion mercurial libssl-dev \
  libncurses5-dev unzip  gawk zlib1g-dev libncursesw5-dev zlib1g-dev \
  gettext xsltproc wget unzip python