panel — open-source game server manager (public release)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

modules/core-keeper/Dockerfile

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+# panel-native Core Keeper runtime image.
+FROM debian:12-slim
+
+ENV DEBIAN_FRONTEND=noninteractive \
+    TZ=Etc/UTC \
+    LANG=en_US.UTF-8 \
+    LC_ALL=en_US.UTF-8 \
+    DISPLAY=:99
+
+# Core Keeper is Unity headless-on-Linux; Unity still needs an X display
+# even with -nographics (some subsystem probes fail otherwise), so Xvfb.
+RUN dpkg --add-architecture i386 \
+ && apt-get update \
+ && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    locales \
+    tini \
+    xvfb \
+    xauth \
+    lib32gcc-s1 \
+    lib32stdc++6 \
+    libc6:i386 \
+    libxi6 \
+    libxrandr2 \
+ && sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen \
+ && locale-gen \
+ && apt-get clean \
+ && rm -rf /var/lib/apt/lists/*
+
+RUN groupadd -g 1000 panel \
+ && useradd -u 1000 -g 1000 -m -s /bin/bash panel \
+ && mkdir -p /game /game-saves \
+ && chown -R panel:panel /game /game-saves
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+EXPOSE 27015/udp
+
+ENTRYPOINT ["/usr/bin/tini", "--", "/entrypoint.sh"]