first commit

Dockerfile

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+FROM ubuntu:24.04
+
+LABEL org.opencontainers.image.title="hlds-noble"
+LABEL org.opencontainers.image.description="GoldSrc/HLDS runtime - Ubuntu 24.04, glibc 2.39, i386 multiarch"
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# i386 multiarch. Package names verified against noble: the t64 transition
+# renamed libcurl4 -> libcurl4t64 and libssl3 -> libssl3t64.
+RUN dpkg --add-architecture i386 \
+ && apt-get update \
+ && apt-get install -y --no-install-recommends \
+      libc6:i386 libstdc++6:i386 libgcc-s1:i386 zlib1g:i386 \
+      libcurl4t64:i386 libssl3t64:i386 libncurses6:i386 libtinfo6:i386 \
+      lib32gcc-s1 lib32stdc++6 \
+      ca-certificates curl wget iproute2 tar unzip xz-utils file locales tzdata \
+ && rm -rf /var/lib/apt/lists/* \
+ && useradd -m -d /home/container -s /bin/bash container
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+USER container
+ENV USER=container HOME=/home/container
+WORKDIR /home/container
+
+CMD [ "/bin/bash", "/entrypoint.sh" ]

entrypoint.sh

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+#!/bin/bash
+cd /home/container || exit 1
+
+INTERNAL_IP=$(ip route get 1 | awk '{print $(NF-2);exit}')
+export INTERNAL_IP
+
+printf 'Ubuntu %s | glibc %s | i386 multiarch\n' \
+  "$(. /etc/os-release && echo "$VERSION_ID")" \
+  "$(ldd --version | head -1 | awk '{print $NF}')"
+
+MODIFIED_STARTUP=$(echo -e "${STARTUP}" | sed -e 's/{{/${/g' -e 's/}}/}/g')
+echo -e ":/home/container$ ${MODIFIED_STARTUP}"
+
+eval ${MODIFIED_STARTUP}