possible fix to box64 issues

Dockerfile

@@ -1,28 +1,50 @@
-FROM debian:bookworm
+FROM arm64v8/debian:bookworm-slim
 LABEL com.docker.image.architecture=arm64
 
+ENV DEBIAN_FRONTEND=noninteractive
+ENV USER steam
+ENV STEAMCMDDIR "/opt/steamcmd"
+ENV LD_LIBRARY_PATH "${LD_LIBRARY_PATH}:/usr/lib/box64-x86_64-linux-gnu"
+
+# Install dependencies
 RUN apt-get update && apt-get install -y \
-   wget \
-   curl \
-   gpg \
-   && rm -rf /var/lib/apt/lists/*
+    wget \
+    curl \
+    gpg \
+    ca-certificates \
+    libcurl4 \
+    libc6 \
+    libstdc++6 \
+    lib32gcc-s1 \
+    && rm -rf /var/lib/apt/lists/*
 
 # Install box64
 RUN wget https://ryanfortner.github.io/box64-debs/box64.list -O /etc/apt/sources.list.d/box64.list \
-   && wget -qO- https://ryanfortner.github.io/box64-debs/KEY.gpg | gpg --dearmor -o /etc/apt/trusted.gpg.d/box64-debs-archive-keyring.gpg \
-   && apt-get update && apt-get install -y box64 \
-   && rm -rf /var/lib/apt/lists/*
+    && wget -qO- https://ryanfortner.github.io/box64-debs/KEY.gpg | gpg --dearmor -o /etc/apt/trusted.gpg.d/box64-debs-archive-keyring.gpg \
+    && apt-get update && apt-get install -y box64-rpi5arm64 \
+    && rm -rf /var/lib/apt/lists/*
 
 # Setup steamcmd
-RUN mkdir -p /opt/steamcmd
-WORKDIR /opt/steamcmd
-RUN curl -sSL -o steamcmd.tar.gz https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz \
-   && tar -xzvf steamcmd.tar.gz \
-   && rm steamcmd.tar.gz
+RUN useradd -m ${USER} \
+    && mkdir -p ${STEAMCMDDIR} \
+    && chown -R ${USER}:${USER} ${STEAMCMDDIR}
+
+WORKDIR ${STEAMCMDDIR}
+
+# Install SteamCMD as steam user
+USER ${USER}
+RUN curl -sqL "https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz" | tar zxvf - \
+    && mkdir -p ~/.steam/sdk64 \
+    && mkdir -p ${STEAMCMDDIR}/linux64
+
+USER root
+RUN mkdir -p /opt/unturned-config \
+    && mkdir -p /opt/U3DS
 
 COPY entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
-RUN mkdir -p /opt/unturned-config
 COPY start.sh /opt/unturned-config/start.sh
-RUN chmod +x /opt/unturned-config/start.sh
+RUN chmod +x /entrypoint.sh /opt/unturned-config/start.sh \
+    && chown -R ${USER}:${USER} /opt/U3DS /opt/unturned-config
+
+USER ${USER}
 ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

@@ -1,29 +1,37 @@
 #!/bin/bash
-cd /opt/steamcmd
+set -e
 
+cd ${STEAMCMDDIR}
+
+# Initialize SteamCMD
+./steamcmd.sh +quit
+
+# Install/Update Unturned Dedicated Server
 if [ -f /opt/U3DS/.validate ]; then
-   rm /opt/U3DS/.validate
-   ./steamcmd.sh +force_install_dir /opt/U3DS +login anonymous +app_update 1110390 validate +quit
+    rm /opt/U3DS/.validate
+    box64 ${STEAMCMDDIR}/steamcmd.sh +force_install_dir /opt/U3DS +login anonymous +app_update 1110390 validate +quit
 else
-   ./steamcmd.sh +force_install_dir /opt/U3DS +login anonymous +app_update 1110390 +quit
+    box64 ${STEAMCMDDIR}/steamcmd.sh +force_install_dir /opt/U3DS +login anonymous +app_update 1110390 +quit
 fi
 
-if [ -f /opt/U3DS/.vanilla ]; then
-   rm -rf /opt/U3DS/Modules/Rocket.Unturned
-else
-   cp -r /opt/U3DS/Extras/Rocket.Unturned /opt/U3DS/Modules/Rocket.Unturned
+# Setup Rocket mod if not vanilla
+if [ ! -f /opt/U3DS/.vanilla ] && [ -d /opt/U3DS/Extras/Rocket.Unturned ]; then
+    mkdir -p /opt/U3DS/Modules
+    cp -r /opt/U3DS/Extras/Rocket.Unturned /opt/U3DS/Modules/
 fi
 
+# Setup Steam client
 mkdir -p /opt/U3DS/.steam/sdk64
-cp linux64/steamclient.so /opt/U3DS/.steam/sdk64/
+cp ${STEAMCMDDIR}/linux64/steamclient.so /opt/U3DS/.steam/sdk64/
 cd /opt/U3DS
 mkdir -p Unturned_Headless_Data/Plugins/x86_64/
 ln -sf ../.steam/sdk64/steamclient.so Unturned_Headless_Data/Plugins/x86_64/steamclient.so
 
+# Copy start script if not exists
 if [ ! -f start.sh ]; then
     cp /opt/unturned-config/start.sh ./start.sh
     chmod +x start.sh
 fi
 
-export LD_LIBRARY_PATH="./Unturned_Headless_Data/Plugins/x86_64/"
+export LD_LIBRARY_PATH="./Unturned_Headless_Data/Plugins/x86_64/:${LD_LIBRARY_PATH}"
 exec box64 ./start.sh