Update Dockerfile

Dockerfile

@@ -90,6 +90,7 @@ def filter_function(tarinfo):
     # 如果当前文件夹名在排除列表中，整个剔除
     name = os.path.basename(tarinfo.name)
     if name in EXCLUDE_DIRS:
+        print(f"  -> Skipping: {tarinfo.name}")
         return None
     return tarinfo
 
@@ -104,16 +105,16 @@ def backup():
     size_mb = os.path.getsize(BACKUP_NAME) / (1024 * 1024)
     print(f"[+] 备份成功！体积：{size_mb:.2f} MB")
     print(f"[!] 请在侧边栏右键点击 {BACKUP_NAME} 选择 'Download' 下载。")
-    print(f"[提示] 下次还原后，只需重新执行 npm install 或 pip install 即可回复。")
+    print(f"[提示] 下次还原后，只需重新执行 npm/pnpm install 或 pip install 即可。")
 
 def restore():
     if not os.path.exists(BACKUP_NAME):
-        print(f"[!] 错误：找不到备份文件 {BACKUP_NAME}。")
+        print(f"[!] 错误：找不到备份文件 {BACKUP_NAME}。请先上传。")
         return
     print("[*] 正在还原源代码和配置...")
     with tarfile.open(BACKUP_NAME, "r:gz") as tar:
         tar.extractall(path="/root")
-    print("[+] 还原成功！请执行依赖安装命令。")
+    print("[+] 还原成功！请重新安装项目依赖。")
 
 if __name__ == "__main__":
     if "--backup" in sys.argv: backup()
@@ -121,11 +122,17 @@ if __name__ == "__main__":
 EOF
 
 # ------------------------------------------------------------
-# 6) code-server 设置
+# 6) code-server 设置 (已修复 YAML 语法错误)
 # ------------------------------------------------------------
-RUN mkdir -p /root/.config/code-server /root/.local/share/code-server/User \
-    && echo "bind-addr: 0.0.0.0:7860\nauth: none" > /root/.config/code-server/config.yaml \
-    && cat > /root/.local/share/code-server/User/settings.json <<'EOF'
+RUN mkdir -p /root/.config/code-server /root/.local/share/code-server/User
+
+# 使用 cat heredoc 保证 YAML 格式正确
+RUN cat > /root/.config/code-server/config.yaml <<'EOF'
+bind-addr: 0.0.0.0:7860
+auth: none
+EOF
+
+RUN cat > /root/.local/share/code-server/User/settings.json <<'EOF'
 {
     "workbench.startupEditor": "none",
     "telemetry.telemetryLevel": "off",
@@ -142,4 +149,4 @@ WORKDIR /root
 EXPOSE 7860
 RUN chsh -s $(which zsh) root
 
-ENTRYPOINT ["code-server", "--bind-addr", "0.0.0.0:7860", "--auth", "none", "/root"]
+ENTRYPOINT ["code-server", "--bind-addr", "0.0.0.0:7860", "--auth", "none", "/root"]