Dockerfile

FROM jlesage/baseimage-gui:ubuntu-20.04

ENV APP_NAME="Steam" \
    XDG_CACHE_HOME=/steam/xdg/cache \
    XDG_CONFIG_HOME=/steam/xdg/config \
    XDG_DATA_HOME=/steam/xdg/data \
    XDG_RUNTIME_DIR=/tmp/run/user/app

RUN set -x && \
    dpkg --add-architecture i386 && \
    apt-get update -y && \
    apt-get install -y --no-install-recommends \
      sudo \
      xterm \
      wget && \
    echo "========== Setup sudoers ==========" && \
    echo "app    ALL=(ALL:ALL) NOPASSWD: ALL" >> /etc/sudoers && \
    echo "========== Install Steam ==========" && \
    apt-get install -y --no-install-recommends \
      make \
      gnupg \
      xz-utils \
      libc6-i386 \
      libgl1:i386 \
      libxtst6:i386 \
      libxrandr2:i386 \
      libglib2.0-0:i386 \
      libgtk2.0-0:i386 \
      libpulse0:i386 \
      libva2:i386 \
      libbz2-1.0:i386 \
      libvdpau1:i386 \
      libva-x11-2:i386 \
      libcurl4-gnutls-dev:i386 \
      libopenal1:i386 \
      libsm6:i386 \
      libice6:i386 \
      libasound2-plugins:i386 \
      libsdl2-image-2.0-0:i386 \
      dbus \
      dbus-x11 \
      file \
      pulseaudio \
      pciutils \
      zenity && \
    mkdir -p /src && \
    cd /src && \
    wget http://repo.steampowered.com/steam/archive/precise/steam_latest.tar.gz && \
    tar xzvf steam_latest.tar.gz && \
    cd /src/steam-launcher && \
    make install && \
    echo "========== Clean up ==========" && \
    rm /var/lib/dpkg/statoverride && \
    apt-get remove -y && \
      make && \
    apt-get autoremove -y && \
    rm -rf /tmp/* && \
    rm -rf /var/lib/apt/lists/*

COPY rootfs/ /