FROM ubuntu:20.04 ENTRYPOINT ["/bin/bash"] RUN \ export DEBIAN_FRONTEND=noninteractive && \ apt -y update && \ apt -y upgrade && \ apt -y install \ autoconf automake autopoint bash bison build-essential bzip2 flex \ g++ g++-multilib gettext git gperf intltool iputils-ping libc6-dev-i386 \ libffi-dev libgdk-pixbuf2.0-dev libltdl-dev libssl-dev libtool-bin \ libxml-parser-perl lzip make nano openssl p7zip-full patch perl \ pkg-config python python-mako ruby scons sed unzip wget xz-utils && \ apt -y autoremove && \ apt -y autoclean && \ apt -y clean && \ rm -rf /var/lib/apt/lists/* && \ exit 0