docker-steamcmd/Dockerfile.ubuntu-2404 at main · GameServerManagers/docker-steamcmd · GitHub

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FROM ubuntu:24.04

## Remove ubuntu user added in 24.04 by default
RUN touch /var/mail/ubuntu && chown ubuntu /var/mail/ubuntu && userdel -r ubuntu

ARG DEBIAN_FRONTEND=noninteractive
ARG PUID=1000
ARG PGID=1000
ARG BUILD_DATE
ARG VCS_REF

LABEL maintainer="LinuxGSM <me@danielgibbs.co.uk>" \
  org.opencontainers.image.title="SteamCMD" \
  org.opencontainers.image.description="SteamCMD headless image for acquiring dedicated server files" \
  org.opencontainers.image.url="https://github.com/GameServerManagers/docker-steamcmd" \
  org.opencontainers.image.source="https://github.com/GameServerManagers/docker-steamcmd" \
  org.opencontainers.image.vendor="GameServerManagers" \
  org.opencontainers.image.licenses="MIT" \
  org.opencontainers.image.created=$BUILD_DATE \
  org.opencontainers.image.revision=$VCS_REF

SHELL ["/bin/bash", "-o", "pipefail", "-c"]

# Install SteamCMD
RUN echo "**** Install SteamCMD ****" \
  && echo steam steam/question select "I AGREE" | debconf-set-selections \
  && echo steam steam/license note '' | debconf-set-selections \
  && dpkg --add-architecture i386 \
  && apt-get update \
  && apt-get install -y --no-install-recommends \
  ca-certificates \
  locales \
  lib32gcc-s1 \
  libsdl2-2.0-0:i386 \
  tzdata \
  steamcmd \
  gosu \
  && ln -s /usr/games/steamcmd /usr/bin/steamcmd \
  && locale-gen en_US.UTF-8 \
  && apt-get -y autoremove \
  && apt-get -y clean \
  && rm -rf /usr/share/man /usr/share/doc /usr/share/info /usr/share/lintian /usr/share/locale/* \
  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

# Add unicode support
ENV LANG=en_US.UTF-8

# Create non-root user (default IDs; can be adjusted at runtime by entrypoint)
RUN groupadd -g "${PGID}" steam \
  && useradd -l -u "${PUID}" -g steam -m -d /home/steam -s /bin/bash steam \
  && mkdir -p /home/steam/Steam \
  && chown -R steam:steam /home/steam

WORKDIR /home/steam

# Bootstrap SteamCMD as steam user
RUN su -s /bin/bash - steam -c 'steamcmd +login anonymous +quit || true'

# Copy entrypoint
COPY docker-entrypoint.sh /docker-entrypoint.sh
RUN chmod +x /docker-entrypoint.sh

ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["+help", "+quit"]