FROM dobu/deps-base-ubuntu-jammy:latest ARG UPSTREAM_VERSION RUN apt-get -y update && apt-get -y install steam USER user ENV PROTON_NO_FSYNC=1 LABEL net.typeblog.dobu.desktop_file_path="/usr/share/applications/steam.desktop" # Steam Runtime requires its own namespaces # so we have to allow them in our seccomp filter. # Don't use it if you don't trust their sandboxing (pressure-vessel). LABEL net.typeblog.dobu.unsafe_i_know_what_i_am_doing_allow_namespaces="true" # We also need X11 LABEL net.typeblog.dobu.x11_required="true" ENTRYPOINT [ "/usr/games/steam" ]