init

Dockerfile

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+FROM debian:12-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV STEAMCMDDIR=/opt/steamcmd
+ENV VALHEIMDIR=/opt/valheim
+ENV BACKUPDIR=/backups
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        ca-certificates \
+        curl \
+        wget \
+        unzip \
+        tzdata \
+        lib32gcc-s1 \
+        lib32stdc++6 && \
+    rm -rf /var/lib/apt/lists/*
+
+# SteamCMD
+RUN mkdir -p ${STEAMCMDDIR} ${VALHEIMDIR} ${BACKUPDIR} && \
+    cd ${STEAMCMDDIR} && \
+    wget https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz && \
+    tar -xzf steamcmd_linux.tar.gz && rm steamcmd_linux.tar.gz
+
+# Copy scripts
+COPY entrypoint.sh /entrypoint.sh
+COPY backup.sh /backup.sh
+RUN chmod +x /entrypoint.sh /backup.sh
+
+WORKDIR ${VALHEIMDIR}
+
+EXPOSE 2456/udp 2457/udp 2458/udp
+
+VOLUME ["/config", "/backups"]
+
+ENTRYPOINT ["/entrypoint.sh"]