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