FROM ubuntu:20.04 ARG DEBIAN_FRONTEND=noninteractive RUN dpkg --add-architecture i386 &&\ apt-get update && \ apt-get -y install \ build-essential \ gcc-multilib \ g++-multilib \ nasm \ libsdl-dev:i386 \ libxft-dev:i386 \ libopenal-dev:i386 && \ rm -rf /var/lib/{apt,dpkg,cache,log}/ RUN mkdir /torque2d-engine-build/