Update Dockerfile

Dockerfile

@@ -25,8 +25,19 @@ RUN cd /usr/local/bin && \
 
 # 配置frpc与codeserver同时运行
 RUN echo '#!/bin/bash\n\
+          # ===== 从环境变量配置Git身份和凭证 =====\n\
+          if [ -n \"${GH_USERNAME}\" ] && [ -n \"${GH_EMAIL}\" ]; then\n\
+              git config --global user.name \"${GH_USERNAME}\"\n\
+              git config --global user.email \"${GH_EMAIL}\"\n\
+              echo \"Git用户身份已从环境变量设置。\"\n\
+          fi\n\
+          if [ -n \"${GH_TOKEN}\" ]; then\n\
+              # 将令牌安全地存储到Git凭证文件中[citation:1]\n\
+              echo \"https://${GH_USERNAME}:${GH_TOKEN}@github.com\" > ~/.git-credentials\n\
+              echo \"GitHub令牌凭证已设置。\"\n\
+          fi\n\
           # 1. 启动 frpc (后台运行)\n\
-          /usr/local/bin/frpc -f xi0ysolte634lz5zl7g2l80p5gvktkj5:24754182 &\n\
+          /usr/local/bin/frpc -f ${FRP_TOKEN} &\n\
           # 2. 前台启动 code-server (保持容器运行)\n\
           exec code-server /home/coder/cpp_competition' > /start.sh
 RUN chmod +x /start.sh
@@ -47,14 +58,12 @@ RUN code-server --install-extension /home/cph-ng-0.5.5.vsix && \
     /home/create_languagepacks.sh
     
 # 配置git
-RUN git config --global user.name "Save-it" && \
-    git config --global user.email "lin2011746853@outlook.com" && \
-    git config --global credential.helper store && \
-    git config --global credential.https://Save-it@github.com.username Save-it && \
-    git config --global credential.https://Save-it@github.com.password ${GH_TOKEN} && \
-    git clone https://github.com/Save-it/cpp_competition.git /home/coder/cpp_competition && \
+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