update: 添加自动更新mod脚本

DockerFile/Dockerfile

@@ -18,6 +18,7 @@ RUN apt-get update && apt-get install -y \
     libtinfo5 \
     libvorbisfile3 \
     lib32z1 \
+    cron \
     && rm -rf /var/lib/apt/lists/*
 
 RUN mkdir -p ${STEAMCMD_DIR}
@@ -38,6 +39,9 @@ RUN chown -R steam:steam ${STEAMCMD_DIR} && \
     chown steam:steam /opt/updatemod.sh && \
     chown -R steam:steam /opt/games
 
+# 创建crontab配置文件
+RUN echo "*/15 * * * * /opt/updatemod.sh >> /var/log/updatemod.log 2>&1" > /etc/cron.d/updatemod
+
 WORKDIR ${STEAMCMD_DIR}
 
 CMD ["/opt/start.sh"]