Update Dockerfile

Dockerfile

@@ -49,6 +49,9 @@ RUN echo '#!/bin/bash\n\
           exec code-server /home/coder/cpp_competition' > /home/coder/start.sh
 RUN chmod +x /home/coder/start.sh
 
+# 将 /home/coder 下所有文件的所有权移交给 coder 用户
+RUN chown -R coder:coder /home/coder
+
 # 设置工作目录和用户
 WORKDIR /home/coder
 
@@ -74,9 +77,6 @@ RUN /home/coder/create_languagepacks.sh
 RUN git clone https://github.com/Save-it/cpp_competition.git /home/coder/cpp_competition && \
     echo '*.exe \n *.out' > /home/coder/cpp_competition/.gitignore
 
-# 将 /home/coder 下所有文件的所有权移交给 coder 用户
-RUN chown -R coder:coder /home/coder
-
 # 暴露端口
 EXPOSE 8080
 EXPOSE 7860