Version with alternative box64 repository

Alternative box64 repository that has a fixed for memory at appears in the startup of the server of Valheim.

Valheim2.dockerfile

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+FROM debian
+
+# Install tools required for the project
+# Run 'docker build --no-cache .' to udpate dependencies
+RUN dpkg --add-architecture armhf
+RUN apt update && apt full-upgrade -y
+RUN apt install -y \
+    gcc-arm-linux-gnueabihf \
+    git \
+    make \
+    cmake \
+    python3 \
+    curl \
+    libsdl2-2.0-0 \
+    nano
+RUN apt install -y \
+    libc6:armhf \
+    libncurses5:armhf \
+    libstdc++6:armhf
+
+# Install the box86 to emulate x86 platform (for steamcmd cliente)
+WORKDIR /root
+RUN git clone https://github.com/ptitSeb/box86
+WORKDIR /root/box86/build
+RUN cmake .. -DRPI4ARM64=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo
+RUN make -j4; 
+RUN make install
+
+# Install steamcmd and download the valheim server:
+WORKDIR /root/steam
+RUN curl -sqL "https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz" | tar zxvf -
+ENV DEBUGGER "/usr/local/bin/box86"
+ENV BOX86_DYNAREC "0"
+RUN ./steamcmd.sh +@sSteamCmdForcePlatformType linux +login anonymous +force_install_dir /root/valheim_server +app_update 896660 validate +quit
+
+## Box64 installation
+WORKDIR /root
+
+# Using alternative repository with memory fix:
+# RUN git clone https://github.com/ptitSeb/box64
+# WORKDIR /root/box64/build
+RUN git clone -b memory-map-fix https://github.com/mogery/box64 box64-memory-patch
+WORKDIR /root/box64-memory-patch/build
+RUN cmake .. -DRPI4ARM64=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo
+RUN make -j4; 
+RUN make install
+
+EXPOSE 2456-2458/udp
+
+CMD ["/bin/bash"]